The Leech By: Robert Sheckley

The Risk Profession By: Donald E. Westlake

Notes on Nursing What It Is, and What It Is Not By: Florence Nightingale

The Hour of Battle By: Robert Sheckley

The Mathematicians By: Arthur Feldman

A History of Science By: Henry Smith Williams

ABC's of Science By: Charles A. (Charles Alexander) Oliver

Dead World By: Jack Douglas

Other Worlds Their Nature, Possibilities and Habitability in the Light of the Latest Discoveries By: Garrett Putman Serviss

The Mother and Her Child By: Lena K. (Lena Kellogg) Sadler

Trinity site By: National Atomic Museum (U.S.)

Chronicles of Canada Volume 32 - The Railway Builders: A Chronicle of Overland Highways By: Oscar D. Skelton

Valley of Dreams By: Stanley Grauman Weinbaum

The Battle with the Slum By: Jacob A. Riis

Sketches of the Natural History of Ceylon By: James Emerson Tennent

Primitive Psycho-Therapy and Quackery By: Robert Means Lawrence

Miscellaneous Mathematical Constants By: Simon Plouffe

The Devil's Asteroid By: Manly Wade Wellman

Among the Trees at Elmridge By: Ella Rodman Church

The Romance of Names By: Ernest Weekley

Mankind in the Making By: H. G. Wells

Hitchhiker's Guide to the Internet By: Ed Krol

The Botanical Magazine, Vol. 3 Or, Flower-Garden Displayed By: William Curtis

Attention Saint Patrick By: Murray Leinster

The Issahar Artifacts By: Jesse F. Bone

Of Time and Texas By: William F. Nolan

The Guardians By: Irving E. Cox

Gun for Hire By: Mack Reynolds

Lighter Than You Think By: Nelson Slade Bond

Trees of the Northern United States Their Study, Description and Determination By: A. C. (Austin Craig) Apgar

The Foundations of the Origin of Species Two Essays written in 1842 and 1844 By: Charles Darwin

Evolution of Theology: an Anthropological Study By: Thomas Henry Huxley

Applied Psychology for Nurses By: Mary F. Porter

The Botanical Magazine, Vol. 4 Or, Flower-Garden Displayed By: William Curtis

Dearest By: H. Beam Piper

Women As Sex Vendors or, Why Women Are Conservative (Being a View of the Economic Status of Woman) By: R. B. (Roscoe Burdette) Tobias

Tom Swift and His Sky Racer By: Victor Appleton

Mendelism Third Edition By: Reginald Crundall Punnett

Captain Canot or, Twenty Years of an African Slaver By: Theodore Canot

The Lani People By: Jesse F. Bone

How Two Boys Made Their Own Electrical Apparatus Containing Complete Directions for Making All Kinds of Simple Apparatus for the Study of Elementary Electricity By: Thomas M. (Thomas Matthew) St. John

Wild Flowers Worth Knowing By: Neltje Blanchan

Social Life in the Insect World By: Jean-Henri Fabre

The Blue Tower By: Evelyn E. Smith

Unwise Child By: Randall Garrett

Love—Marriage—Birth Control Being a Speech delivered at the Church Congress at Birmingham, October, 1921 By: Bertrand Edward Dawson Dawson

Fat and Blood An Essay on the Treatment of Certain Forms of Neurasthenia and Hysteria By: S. Weir Mitchell

The Nothing Equation By: Tom Godwin

The Number Concept Its Origin and Development By: Levi L. (Levi Leonard) Conant

The American Journal of Archaeology, 1893-1 By: Various

Derelict By: Alan Edward Nourse

The Discovery of a World in the Moone Or, A Discovrse Tending To Prove That 'Tis Probable There May Be Another Habitable World In That Planet By: John Wilkins

The Number "e" By: Unknown

Cry from a Far Planet By: Tom Godwin

John Jones's Dollar By: Harry Stephen Keeler

The Healthy Life, Vol. V, Nos. 24-28 The Independent Health Magazine By: Various

On Some Fossil Remains of Man By: Thomas Henry Huxley

The Ultimate Experiment By: Thornton DeKy

Pleasures of the telescope An Illustrated Guide for Amateur Astronomers and a Popular Description of the Chief Wonders of the Heavens for General Readers By: Garrett Putman Serviss

The Invaders By: Benjamin Ferris

Theologico-Political Treatise — Part 4 By: Benedictus de Spinoza

The Beauties of Nature and the Wonders of the World We Live In By: John Lubbock

The Einstein See-Saw By: Miles John Breuer

Insectivorous Plants By: Charles Darwin

Life and Letters of Charles Darwin By: Charles Darwin

The Bird Book Illustrating in natural colors more than seven hundred North American birds; also several hundred photographs of their nests and eggs. By: Chester A. (Chester Albert) Reed

Creatures of the Night A Book of Wild Life in Western Britain By: Alfred Wellesley Rees

The Helpful Robots By: Robert Shea

Civics and Health By: William H. (WIlliam Harvey) Allen

Danger! A True History of a Great City's Wiles and Temptations The Veil Lifted, and Light Thrown on Crime and its Causes, and Criminals and their Haunts. Facts and Disclosures. By: Abraham H. Hummel

...After a Few Words... By: Randall Garrett

The End of Time By: Wallace West

The 4-D Doodler By: Graph Waldeyer

An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes By: Henry P. Talbot

The Bluff of the Hawk By: Anthony Gilmore

The Auburndale Watch Company First American Attempt Toward the Dollar Watch By: Edwin A. Battison

New and Original Theories of the Great Physical Forces By: Henry Raymond Rogers

Out of This World Convention By: Forrest J. Ackerman

The Worshippers By: Damon Francis Knight

No Pets Allowed By: M. A. (Monette A.) Cummings

Theologico-Political Treatise — Part 2 By: Benedictus de Spinoza

Tight Squeeze By: Dean Charles Ing

Conversations on Chemistry, V. 1-2 In Which the Elements of that Science Are Familiarly Explained and Illustrated by Experiments By: Mrs. (Jane Haldimand) Marcet

When the World Shook; being an account of the great adventure of Bastin, Bickley and Arbuthnot By: Henry Rider Haggard

Psichopath By: Randall Garrett

Lectures on Land Warfare; A tactical Manual for the Use of Infantry Officers By: Anonymous

The Power of Movement in Plants By: Francis Darwin

The Positive School of Criminology Three Lectures Given at the University of Naples, Italy on April 22, 23 and 24, 1901 By: Enrico Ferri

Acid Bath By: Bill Garson

The Quantum Jump By: Robert Wicks

Stories about Animals: with Pictures to Match By: Francis C. Woodworth

Drawings and Pharmacy in Al-Zahrawi's 10th-Century Surgical Treatise By: Sami Khalaf Hamarneh

Getting Acquainted with the Trees By: J. Horace (John Horace) McFarland

Death of a Spaceman By: Walter M. Miller

The Botanical Magazine, Vol. 5 Or, Flower-Garden Displayed By: William Curtis

The Starvation Treatment of Diabetes By: Lewis Webb Hill

Dogfight—1973 By: Mack Reynolds

Myths and Marvels of Astronomy By: Richard A. Proctor

Scrimshaw By: Murray Leinster

Mother Earth Land Grants in Virginia 1607-1699 By: Walter Stitt Robinson