Jules Henri Poincaré (1854–1912) was one of France’s greatest mathematicians and theoretical physicists, and a philosopher of science. As a mathematician and physicist, he made many original fundamental contributions to pure and applied mathematics, mathematical physics, and celestial mechanics. He was responsible for formulating the Poincaré conjecture, one of the most famous problems in mathematics. In his research on the three-body problem, Poincaré became the first person to discover a chaotic deterministic system which laid the foundations of modern chaos theory...

The Reverend Gilbert White was the curate of the village of Selborne, a village in Hampshire, from 1784 to his death in 1793, living most of his life in the village. The book is in the form of a collection of letters to two friends, discussing the natural history of the areas that he knew, and natural history in general. White’s intense curiosity and his love for the world about him flow through his simple, straightforward style, and a gentle sense of humour colours many of his anecdotes.

Late nineteenth-century naturalist William J. Long invites us in to the secret worlds of the woodland animals. Containing Long's own animal observations along with stories related to him by other humans who inhabit the woods, these stories give us an insight into the behavior of wild animals as they go about their lives in their own secret places deep in the forests of eastern North America. Although Long was accused in his day of anthropomorphizing the animals he wrote about, readers who are familiar with any of the animals he writes of will have glimpses of recognition at behaviors they have seen for themselves and explore the deeper meanings these actions have in that animal's life...

The unique merit of this nature student rests in his fascinating style of writing, which invariably interests young and old; for without this element his pioneer work in the realm of nature would now be familiar only to scientists, introducing people everywhere into the wonderland of nature hitherto entirely closed to all. This is another chapter in the shy, wild life of the fields and woods. Little Toohkees, the wood mouse that dies of fright in the author’s hand; the mother otter, Keeonekh,...

Do you enjoy birdwatching? Would you like to learn a little more about the early conservations efforts to protect wild birds? In the Preface to The Bird Study Book, Pearson tells us “This book was written for the consideration of that ever-increasing class of Americans who are interested in acquiring a greater familiarity with the habits and activities of wild birds. Attention is also given to the relation of birds to mankind and the effect of civilisation on the bird-life of the country. ” An avid ornithologist, T...

Travelling at speeds close to that of light, spacemen lived at an accelerated pace. When one of the twin boys left the starship, he grew older while his twin in space barely aged. So the starship twin left the ship to find what happened to his brother who was aging away on earth.

Why did everybody step off the ship in this strange valley and promptly drop dead? How could a well-equipped corps of tough spacemen become a field of rotting skeletons in this quiet world of peace and contentment? It was a mystery Peter and Sherri had to solve. If they could live long enough! [from the Judas Valley]Originally published in Amazing Stories, October 1956

Here are two early stories by the well known SF Author Robert Silverberg. The Happy Unfortunate was published first in Amazing Stories in 1957 and explores the angst caused when the human race reaches into space but at the cost of needing to breed a new species; specialized 'spacers' who can withstand the tremendous rigors of acceleration. The Hunted Heroes was published in Amazing stories a year earlier, in 1956. It is a futuristic story that holds great hope for the resilience of the human race after the war destroys most of the world.

“You may think that Mother Nature, like the famous “old woman who lived in the shoe,” has so many children that she doesn’t know what to do. But you will know better when you become acquainted with her, and learn how strong she is, and how active; how she can really be in fifty places at once, taking care of a sick tree, or a baby flower just born; and, at the same time, building underground palaces, guiding the steps of little travellers setting out on long journeys, and sweeping, dusting, and arranging her great house,–the earth...

Do remember reading a panic-mongering news story a while back about genetically engineered “Frankengrass” “escaping” from the golf course where it had been planted? That news story was foreshadowed decades previously in the form of prophetic fiction wherein a pushy salesman, a cash-strapped scientist, and a clump of crabgrass accidentally merge forces with apocalyptic consequences. A triple-genre combo of science fiction, horror, and satire, Greener Than You Think is a forgotten classic that resonates beautifully with modern times. This is a faithful reading of a 1947 first edition text.

Originally published in the May, 1960 issue of Amazing Science Fiction Stories. Jack Odin has returned to the world of Opal, the world inside our own world, only to find it in ruins. Many of his friends are gone, the world is flooded, and the woman he swore to protect has been taken by Grim Hagen to the stars. Jack must save her, but the difficulties are great and his allies are few.

Gardening expert Steve Solomon has written extensively on gardening techniques for the home gardener. Water conservation is the focus of this work, along with more information on how to have the healthiest plants in your garden through “fertigation”, appropriate plant rotation, and soil preparation.

The art and science of composting is presented in a humorous and readable manner from the basic elements to the in-depth science. An entire chapter is devoted to composting with red worms (vermiculture), and detailed information is provided on building different types of composting units. The history of the organic gardening movement is included as well as an annotated bibliography of works on the subjects of composting and food gardening.

The Planet Strappers started out as The Bunch, a group of student-astronauts in the back room of a store in Jarviston, Minnesota. They wanted off Earth, and they begged, borrowed and built what they needed to make it. They got what they wanted--a start on the road to the stars--but no one brought up on Earth could have imagined what was waiting for them Out There!

A classic work on military strategy by a veteran of the Napoleonic Wars. The author's style is dialectical: he makes two strong but opposing statements and then draws them together to describe many facets of war. Free of technical jargon, and suitable for modern readers. This audiobook is based on a 1909 English translation.

“I have promised to introduce you today to the fairy-land of science — a somewhat bold promise, seeing that most of you probably look upon science as a bundle of dry facts, while fairy-land is all that is beautiful, and full of poetry and imagination. But I thoroughly believe myself, and hope to prove to you, that science is full of beautiful pictures, of real poetry, and of wonder-working fairies…” (From the Introduction to The Fairyland of Science)

Stanley G. Weinbaum is best known for his short story “A Martian Odyssey” which has been influencing Science Fiction since it was first published in 1934. Weinbaum is considered the first writer to contrive an alien who thought as well as a human, but not like a human. A Martian Odyssey and its sequel are presented here as well as other Weinbaum gems including 3 stories featuring the egomaniacal physicist Haskel van Manderpootz and his former student, playboy Dixon Wells.

A Journey in Other Worlds: A Romance of the Future is a science fiction novel by John Jacob Astor IV, published in 1894. The book offers a fictional account of life in the year 2000. It contains abundant speculation about technological invention, including descriptions of a world-wide telephone network, solar power, air travel, space travel to the planets Saturn and Jupiter, and terraforming engineering projects — damming the Arctic Ocean, and adjusting the Earth’s axial tilt (by the Terrestrial Axis Straightening Company)...

Dark Kensington had been dead for twenty-five years. It was a fact; everyone knew it. Then suddenly he reappeared, youthful, brilliant, ready to take over the Phoenix, the rebel group that worked to overthrow the tyranny that gripped the settlers on Mars.The Phoenix had been destroyed not once, not twice, but three times! But this time the resurrected Dark had new plans, plans which involved dangerous experiments in mutation and psionics.And now the rebels realized they were in double jeopardy....

Looking Backward: 2000-1887 is a utopian novel by Edward Bellamy, first published in 1888. It was the third largest bestseller of its time, after Uncle Tom’s Cabin and Ben-Hur: A Tale of the Christ.The book tells the story of Julian West, a young American who, towards the end of the 19th century, falls into a deep, hypnosis-induced sleep and wakes up more than a century later. He finds himself in the same location (Boston, Massachusetts) but in a totally changed world: It is the year 2000 and, while he was sleeping, the U...

A light journey through the history of chemistry, from its start in the obscure mysteries of alchemy to what was, for the author, the cutting edge of the development of modern atomic theory … and whose developing blind ends we can now see with the advantage of hind sight.

Wild Animals I Have Known is an 1898 book by naturalist and author Ernest Thompson Seton. The first entry in a new genre of realistic wild-animal fiction, Seton's first collection of short stories quickly became one of the most popular books of its day. "Lobo the King of Currumpaw", the first story in the collection, was based upon Seton's experience hunting wolves in the southwestern United States. It became a classic, setting the tone for his future works that would similarly depict animals—especially predators who were often demonized in literature—as compassionate, individualistic beings.

This is a concise yet thorough explanation of what might happen to our world in the aftermath of a nuclear war. The myriad of potential effects will be global and wide-spread, and the potentials are glazed over in this short work.

This escapist novel, first published in 1905 as Lieutenant Gullivar Jones: His Vacation, follows the exploits of American Navy Lieutenant Gulliver Jones, a bold, if slightly hapless, hero who is magically transported to Mars; where he almost outwits his enemies, almost gets the girl, and almost saves the day. Somewhat of a literary and chronological bridge between H.G. Wells and Edgar Rice Burroughs, Jones’ adventures provide an evocative mix of satire and sword-and-planet adventure.

New Texas: its citizens figure that name about says it all. The Solar League ambassador to the Lone Star Planet has the unenviable task of convincing New Texans that a s’Srauff attack is imminent, and dangerous. Unfortunately it’s common knowledge that the s’Srauff are evolved from canine ancestors—and not a Texan alive is about to be scared of a talking dog! But unless he can get them to act, and fast, there won’t be a Texan alive, scared or otherwise!

A Strange Manuscript Found in a Copper Cylinder is the most popular of James De Mille’s works. It was serialized posthumously in Harper’s Weekly, and published in book form by Harper and Brothers of New York City in 1888. This satirical romance is the story of Adam More, a British sailor. Shipwrecked in Antarctica, he stumbles upon a tropical lost world of prehistoric animals, plants, and a cult of death-worshipping primitives. He also finds a highly developed human society which has reversed the values of Victorian society...

Every status-quo-caste society in history has left open two roads to rise above your caste: The Priest and The Warrior. But in a society of TV and tranquilizers--the Warrior acquires a strange new meaning... (Introduction from the Gutenberg text)

Ronny Bronston has dreamed all his life of getting a United Planets job that would take him off-world. He finally gets the opportunity when he is given a provisional assignment with Bureau of Investigation, Section G. But will he be able to complete his assignment and find the elusive Tommy Paine?

Larry Woolford is a government agent, tasked with investigating subversive activity. He does everything an ambitious young man should do if he wants to succeed: wear the right clothes, listen to the right music, even drink vodka martinis. Then he stumbles across a conspiracy of Weirds plotting to overthow the entire existing social order. It's a race against time. Can he stop their fiendish plan, and keep America safe for shallow judgements based on status symbols? Status Quo was nominated for the 1962 Hugo Award for short fiction.

Through delightful outings with her students, a teacher introduces her class to the fascinating world of insects. She encourages her students to observe and ask questions. This is a wonderful science text for young children.

Edmond Hamilton (1904 – 1977) had a career that began as a regular and frequent contributor to Weird Tales magazine. The first hardcover publication of Science Fiction stories was a Hamilton compilation, and he and E.E. “Doc” Smith are credited with the creation of the Space Opera type of story. He worked for DC Comics authoring many stories for their Superman and Batman characters. Hamilton was also married to fellow author Leigh Brackett. – Published in the May, 1962 issue of Amazing Stories “The Stars, My Brothers” gives us a re-animated astronaut plucked from a century in the past and presented with an alien world where the line between humans and animals is blurred.

Will Barrent awakes without memories just before being deposited on Omega, a planet for criminals where the average life expectancy is 3 years. He’s listed as a murderer and released into the illicit society as a “peon” the lowest class imaginable. A mysterious girl gives him a weapon that starts him on his path to status, a path that requires constant brutality. But it must be borne if our hero is to discover the reason for his imprisonment; A reason that pits him against himself, and involves the sardonically similar but devoutly different creeds of Omega and Earth...

3 Robert Sheckley short stories that demonstrate the breathof his fantastic imagination. In Watchbird, the question "can machines solve human problems?" is answered with a resounding YES! But there may be a few unforeseen glitches. Just a few. Warrior Race drops us into an alien race of warriors who fight in a way you will never be able to imagine until you listen. And Beside Still Waters is a gentle story that shows us a man who really wants to get away from it all ... sitting on a rock in the asteroid belt with only a robot for a friend. No girls allowed! A poignant and unsettling story to say the least.

The Dueling Machine is the solution to settling disputes without injury. After you and your opponent select weapons and environments you are injected into an artificial reality where you fight to the virtual death… but no one actually gets hurt. That is, until a warrior from the Kerak Empire figures a way to execute real-world killings from within the machine. Now its inventor Dr. Leoh has to prevent his machine from becoming a tool of conquest. – The Dueling Machine, written with Myron R. Lewis, first appeared in the May, 1963 issue of Analog Science Fact & Fiction.

Triplanetary was first serialized in Amazing Stories in 1934. After the Lensman series became popular, Smith took his Triplanetary story and turned it into the first of the Lensman series, using it as a prequel to give the back story for the protaganists in the Lensmen series. He added 6 new chapters, doubling it in size and it's really a different book from the serialized novel, being published 14 years after the first. It was put into Gutenberg just last year. The novel covers several episodes in an eons-long eugenics project of the super-intelligences of the Arisia...

A team of space travelers are caught in a subspace accident which, up to now, no one has ever survived. But some of the survivors of the Procyon are not ordinary travelers. Their psi abilities allow them to see things before they happen. But will it be enough?Smith's story "Subspace Survivors" first appeared in the July 1960 issue of the magazine Astounding.

They were four of the greatest minds in the Universe: Two men, two women, lost in an experimental spaceship billions of parsecs from home. And as they mentally charted the Cosmos to find their way back to earth, their own loves and hates were as startling as the worlds they encountered.

Written in the first century b.C., On the Nature of Things (in Latin, "De Rerum Natura") is a poem in six books that aims at explaining the Epicurean philosophy to the Roman audience. Among digressions about the importance of philosophy in men's life and praises of Epicurus, Lucretius created a solid treatise on the atomic theory, the falseness of religion and many kinds of natural phenomena. With no harm to his philosophical scope, the author composed a didactic poem of epic flavor, of which the imagery and style are highly praised.

“Security”, tells the story of a compartmentalized government physicist ordered by secret police to complete experiments aimed at developing a new weapon. He is brought to a hidden space station and put in charge of the project but there are many questions. In a world of spies watching spies it’s sometimes hard to know what’s patriotic. -- Poul Anderson was a Golden Age Science Fiction and Fantasy author. “Security” first appeared in the magazine “Space Science Fiction” in February of 1953

A $10,000 prize lures Tom into competing at a local aviation meet at Eagle Park. Tom is determined to build the fastest plane around, but his plans mysteriously disappear, which means Tom must redesign his new airplane from the beginning.

Gregg Haljan was aware that there was a certain danger in having the giant spaceship Planetara stop off at the moon to pick up Grantline’s special cargo of moon ore. For that rare metal — invaluable in keeping Earth’s technology running — was the target of many greedy eyes. But nevertheless he hadn’t figured on the special twist the clever Martian brigands would use. So when he found both the ship and himself suddenly in their hands, he knew that there was only one way in which he could hope to save that cargo and his own secret — that would be by turning space-pirate himself and paying the Brigands of the Moon back in their own interplanetary coin. (From the Gutenberg e-text)

While examining a golden ring under a microscope, a chemist discovers a sub-atomic world. During his examination of this world he sees a beautiful young girl. After developing chemicals that will allow him to either shrink or grow larger in size, he and three friends journey to this small world.

In effect Professor Newland declared that the curious astronomical phenomena of the previous November--the new "stars" observed, the two meteors that had fallen with their red and green light-fire--were all evidence of the existence of intelligent life on the planet Mercury. (An excerpt from chapter 1. )

There were nine major planets in the Solar System and it was within their boundaries that man first set up interplanetary commerce and began trading with the ancient Martian civilization. And then they discovered a tenth planet--a maverick! This tenth world, if it had an orbit, had a strange one, for it was heading inwards from interstellar space, heading close to the Earth-Mars spaceways, upsetting astronautic calculations and raising turmoil on the two inhabited worlds. But even so none suspected then just how much trouble this new world would make...

In "Tarrano the Conqueror" is presented a tale of the year 2430 A.D.--a time somewhat farther beyond our present-day era than we are beyond Columbus' discovery of America. My desire has been to create for you the impression that you have suddenly been plunged forward into that time--to give you the feeling Columbus might have had could he have read a novel of our present-day life. To this end I have conceived myself a writer of that future time, addressing his contemporary public. You are to imagine...

The first of six volumes, this volume covers in extensive detail the topics of "The Evolution of Modesty", "The Phenomena of Sexual Periodicity", and "Auto-Eroticism". Written as an anthropological and psychological study from the point of view of Havelock, the famous British sexologist of the late 19th century, who was also a physician and social reformer.

In What Prohibition Has Done to America, Fabian Franklin presents a concise but forceful argument against the Eighteenth Amendment of the U.S. Constitution. Beginning in 1920, this Amendment prohibited the sale and manufacture of alcoholic beverages in the United States, until it was repealed in 1933. Franklin contends that the Amendment “is not only a crime against the Constitution of the United States, and not only a crime against the whole spirit of our Federal system, but a crime against the first principles of rational government...

The Author sings the praises of Chocolate. “By the wise and Moderate use whereof, Health is preserved, Sicknesse Diverted, and Cured, especially the Plague of the Guts; vulgarly called _The New Disease_; Fluxes, Consumptions, & Coughs of the Lungs, with sundry other desperate Diseases. By it also, Conception is Caused, the Birth Hastened and facilitated, Beauty Gain’d and continued.”

Honath the Pursemaker is a heretic. He doesn’t believe the stories in the Book of Laws which claims giants created his tree-dwelling race. He makes his opinion known and is banished with his infidel friends to the floor of the jungle where dangers abound. Perhaps he’ll find some truth down there. – The Thing in the Attic is one of Blish’s Pantropy tales and was first published in the July, 1954 edition of If, Worlds of Science Fiction magazine.

Sailors Sam Dunlap and Arthur check in to a New York hotel to await their mate Vern Engdahl when a girl shows up proposing to purchase Arthur. They need guys like Arthur to help run the city, and the fact that he fits in a small suitcase is even better. – The Knights of Arthur was first published in the January 1958 edition of Galaxy Science Fiction magazine.

This famous Pohl story explores cybernetic robots and implanted personalities in a way that certainly expanded my way of looking at reality. Is that wall really real? or is it just kinda, sorta real? And who am I? The protagonist, Guy Burckhardt, wakes up screaming from a horrible dream of explosions, searing fire, choking gas and other terrible ways to die. But he wakes up so it must have been just a bad nightmare, right? To find out that piece of information you will need to listen to this inventive and scary story.