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By: Robert Silverberg and Randall Garrett (1935-)

Book cover The Judas Valley

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

By: Robert Stawell Ball (1840-1913)

Book cover Great Astronomers

Of all the natural sciences there is not one which offers such sublime objects to the attention of the inquirer as does the science of astronomy. From the earliest ages the study of the stars has exercised the same fascination as it possesses at the present day. Among the most primitive peoples, the movements of the sun, the moon, and the stars commanded attention from their supposed influence on human affairs. From the days of Hipparchus down to the present hour the science of astronomy has steadily grown...

By: Robert Sterling Yard (1861-1945)

The Book of the National Parks by Robert Sterling Yard The Book of the National Parks

Robert Sterling Yard (February 1, 1861 – May 17, 1945) was an American writer, journalist, and wilderness activist. Born in Haverstraw, New York, Yard graduated from Princeton University and spent the first twenty years of his career in the editing and publishing business. In 1915, he was recruited by his friend Stephen Mather to help publicize the need for an independent national park agency. Their numerous publications were part of a movement that resulted in legislative support for a National Park Service (NPS) in 1916...

By: Robert W. Chambers (1865-1933)

Book cover In Search of the Unknown
Book cover The Gay Rebellion
Book cover Vestiges of the Natural History of Creation

By: Robert W. Haseltine

Book cover Prelude to Space

By: Robert W. Lowndes (1916-1998)

Book cover The Troubadour

By: Robert Wicks

Book cover The Quantum Jump

By: Robert Williams Wood (1868-1955)

How to Tell the Birds from the Flowers by Robert Williams Wood How to Tell the Birds from the Flowers

How do you tell apart a parrot from a carrot? A plover from a clover? A bay from a jay? Although there are several ways of differentiating, R. W. Wood’s use of pun and rhyme is one of the most entertaining!

By: Rog Phillips (1909-1965)

Book cover The Unthinking Destroyer

By: Roger D. Aycock (1914-2004)

Book cover Control Group
Book cover Traders Risk

By: Roger Kuykendall

Book cover We Didn't Do Anything Wrong, Hardly
Book cover All Day September

By: Roger Phillips Graham (1909-1965)

Book cover Unthinkable
Book cover The Gallery

By: Roman Frederick Starzl (1899-1976)

Book cover In the Orbit of Saturn
Book cover The Martian Cabal

By: Ron Cocking

Book cover Warning from the Stars

By: Ross Rocklynne (1913-1988)

Book cover Sorry: Wrong Dimension

By: Rossiter W. (Rossiter Worthington) Raymond (1840-1918)

Book cover Peter Cooper The Riverside Biographical Series, Number 4

By: Roswell H. (Roswell Hill) Johnson (1877-1967)

Book cover Applied Eugenics

By: Royal Dixon (1885-1962)

Book cover The Human Side of Animals

By: Rudolf Schmid (1828-1907)

Book cover The Theories of Darwin and Their Relation to Philosophy, Religion, and Morality

By: Rudyard Kipling (1865-1936)

Book cover With The Night Mail A Story of 2000 A.D. (Together with extracts from the comtemporary magazine in which it appeared)

By: Rufus Phillips Williams (1851-1911)

Book cover An Introduction to Chemical Science

By: Rupert H. Wheldon (1883-)

Book cover No Animal Food and Nutrition and Diet with Vegetable Recipes

Though little is known about its author, this is considered the first vegan cookbook ever written. At the time of its composition, the Vegetarian Society and other advocates of vegetarian diets were engaged in a debate about the inclusion of dairy and eggs in one's regime. This text declares, from the title to the footnotes, that the best diet is free from all animal products. The arguments span historical, physical, ethical, aesthetic, and economic considerations and conclude with practical advice that stands the test of time. An essential text for those interested in vegetarianism and animal rights.

By: Russel Doubleday (1872-1949)

Stories of Inventors by Russel Doubleday Stories of Inventors

Doubleday chronicles the history of everyday inventions that form the foundation of technology now common through the world. While some of the inventions are no longer used, each example shows how inventors contributed to technology through perseverance, inspiration and clever observations. In each chapter, he gives a clear, understandable background of the technology.Many of the now outdated inventions may have inspired later inventions by meeting emerging demands. For example, Edison's filament bulb is now being phased out by more efficient CFL's, but Edison's contribution to indoor lighting likewise removed the need for inefficient gas-burning lamps...

By: Russell Burton

Book cover Weak on Square Roots

By: Russell R. Winterbotham (1904-1971)

Book cover Lonesome Hearts
Book cover The Whispering Spheres

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