Skylark Three By: E. E. Smith

The 2010 CIA World Factbook By: United States. Central Intelligence Agency

Talents, Incorporated By: Murray Leinster

The Status Civilization By: Robert Sheckley

Sidelights on Relativity By: Albert Einstein

The Skylark of Space By: E. E. Smith

The Misplaced Battleship By: Harry Harrison

Creative Chemistry By: Edwin E. Slosson

Arm of the Law By: Harry Harrison

Triplanetary, First in the Lensman Series By: E. E. “Doc” Smith

Studies in the Psychology of Sex, Volume One By: Havelock Ellis

Stand by for Mars By: Carey Rockwell

A Slave is A Slave By: H. Beam Piper

The Untroubled Mind By: Herbert J. Hall

The K-Factor By: Harry Harrison

Hunter Patrol By: H. Beam Piper and John McGuire

My Secret Life, Volumes I. to III. 1888 Edition By: Anonymous

Woodworking Tools 1600-1900 By: Peter C. Welsh

The Vortex Blaster By: E.E. Smith

Boy Scouts Handbook The First Edition, 1911 By: Boy Scouts of America

Second Treatise of Government By: John Locke

Null-ABC By: H. Beam Piper

The Repairman By: Harry Harrison

The World Beyond By: Ray Cummings

The Gun By: Philip K. Dick

A Spaceship Named McGuire By: Randall Garrett

Flatland: a romance of many dimensions (Illustrated) By: Edwin Abbott Abbott

Beyond Lies the Wub & The Skull By: Philip K. Dick

The Big Trip Up Yonder By: Kurt Vonnegut

The Hindu-Arabic Numerals By: David Eugene Smith

In the Year 2889 By: Michel Verne

The Skull By: Philip K. Dick

The Medicinal Plants of the Philippines By: T. H. Pardo de Tavera

Mysticism and Logic and Other Essays By: Bertrand Russell

Politics: A Treatise on Government By: Unknown

A Problem in Modern Ethics By: John Addington Symonds

Object Lessons on the Human Body A Transcript of Lessons Given in the Primary Department of School No. 49, New York City By: Margaret W. Lewis

The Ambulance Made Two Trips By: Murray Leinster

The Mystic Will By: Charles Godfrey Leland (1824-1903)

Woman Her Sex and Love Life By: William J. (William Josephus) Robinson

The Judas Valley By: Robert Silverberg and Randall Garrett

How it Works Dealing in simple language with steam, electricity, light, heat, sound, hydraulics, optics, etc., and with their applications to apparatus in common use By: Archibald Williams

Galaxy Primes By: E. E. Smith

The Handbook to English Heraldry By: Charles Boutell

Five Lectures on Blindness By: Kate M. Foley

Condition of the Working-Class in England in 1844 By: Friedrich Engels

The Mysteries of Free Masonry Containing All the Degrees of the Order Conferred in a Master's Lodge By: William Morgan

Laws By: Plato

Temple Trouble By: H. Beam Piper

Surgical Anatomy By: Joseph Maclise

The Sexual Question A Scientific, psychological, hygienic and sociological study By: Auguste Forel

All Cats Are Gray By: Andre Norton

Thoughts on Art and Life By: Unknown

Experiments and Observations on Different Kinds of Air By: Joseph Priestley

Political Ideals By: Bertrand Russell

Elements of Structural and Systematic Botany For High Schools and Elementary College Courses By: Douglas Houghton Campbell

Plain Facts for Old and Young By: John Harvey Kellogg

Machiavelli, Volume I By: Niccolò Machiavelli

When the Sleeper Wakes By: H. G. Wells

Young Girl's Diary By: Anonymous

The Red Record Tabulated Statistics and Alleged Causes of Lynching in the United States By: Ida B. Wells-Barnett

Southern Horrors: Lynch Law In All Its Phases By: Ida B. Wells-Barnett

Abandoned By: Jules Verne

The Science of Fingerprints Classification and Uses By: United States. Federal Bureau of Investigation

The Next Logical Step By: Ben Bova

The Door in the Wall and Other Stories By: H. G. Wells

Mother's Remedies Over One Thousand Tried and Tested Remedies from Mothers of the United States and Canada By: Thomas Jefferson Ritter

Republic (version 2) By: Plato (Πλάτων)

Outlines of Lessons in Botany, Part I; from Seed to Leaf By: Jane H. Newell

Space, Time and Gravitation An Outline of the General Relativity Theory By: Arthur Stanley Eddington

Dinosaurs With Special Reference to the American Museum Collections By: William Diller Matthew

Astronomy for Amateurs By: Camille Flammarion

Morals and Dogma of the Ancient and Accepted Scottish Rite of Freemasonry By: Albert Pike

The Evolution of Love By: Emil Lucka

Kinematics of Mechanisms from the Time of Watt By: Eugene S. Ferguson

The Einstein Theory of Relativity By: H.A. Lorentz

Gorgias By: Plato (Πλάτων)

Gambler's World & The Yillian Way By: Keith Laumer

A Field Book of the Stars By: William Tyler Olcott

An Elementary Study of Chemistry By: William Edwards Henderson

The Pioneer Steamship Savannah: A Study for a Scale Model United States National Museum Bulletin 228, 1961, pages 61-80 By: Howard I. Chapelle

Random Reminiscences of Men and Events By: John D. Rockefeller

The Botanical Magazine, Vol. 1 Or, Flower-Garden Displayed By: William Curtis

A Treatise on Anatomy, Physiology, and Hygiene (Revised Edition) By: Calvin Cutter

The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. By: J. W. H. (John William Henry) Eyre

All Around the Moon By: Jules Verne

The Fern Lover's Companion A Guide for the Northeastern States and Canada By: George Henry Tilton

Toy Shop By: Harry Harrison

The Monster Men By: Edgar Rice Burroughs

The Ladies Book of Useful Information Compiled from many sources By: Anonymous

Military Instructors Manual By: J. P. (James Perry) Cole

They Twinkled Like Jewels By: Philip José Farmer

Watchbird By: Robert Sheckley

Falling in Love With Other Essays on More Exact Branches of Science By: Grant Allen

Treatise on Light By: Christiaan Huygens

The Day of the Boomer Dukes By: Frederik Pohl

Navy Day By: Harry Harrison

Missing Link By: Frank Herbert

Great Astronomers By: Robert Stawell Ball

How to Observe in Archaeology By: Various