Modus Vivendi By: John Berryman

The Starvation Treatment of Diabetes By: Lewis Webb Hill

The Man from Time By: Frank Belknap Long

The Aggravation of Elmer By: Robert Arthur

The Pygmy Planet By: Jack Williamson

The Cuckoo Clock By: Wesley Barefoot

The Mind Master By: Arthur J. Burks

Droozle By: Frank Banta

The Story of Germ Life By: Herbert W. Conn

Alien Offer By: Al Sevcik

Policing the Plains Being the Real-Life Record of the Famous North-West Mounted Police By: R. G. (Roderick George) MacBeth

Pandemic By: Jesse F. Bone

The Natural History of Selborne, Vol. 1 By: Gilbert White

The Invaders By: Murray Leinster

Fire People By: Ray Cummings

The Code of Honor, Or, Rules for the Government of Principals and Seconds in Duelling By: John Lyde Wilson

The Best Made Plans By: Everett B. Cole

Essays Towards a Theory of Knowledge By: Alexander Philip

The Naturalist on the River Amazons By: Henry Walter Bates

Theologico-Political Treatise — Part 3 By: Benedictus de Spinoza

Astronomy of To-day A Popular Introduction in Non-Technical Language By: Cecil Goodrich Julius Dolmage

Philosophical Transactions of the Royal Society - Vol 1 - 1666 Giving some Accompt of the present Undertakings, Studies, and Labours of the Ingenious in many considerable parts of the World By: Various

A Question of Courage By: Jesse F. Bone

Almost A Man By: Mary Wood-Allen

Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 By: Gary N. (Gary Nathan) Calkins

Lost in Translation By: Laurence M. Janifer

The Untouchable By: Stephen A. Kallis

Birds of the Rockies By: Leander S. Keyser

Valerius Terminus; of the interpretation of nature By: Francis Bacon

Bear Trap By: Alan Edward Nourse

Every Girl's Book By: George Frank Butler

Project Trinity 1945-1946 By: Steve Rohrer

Biographies of Distinguished Scientific Men First Series By: François Arago

The Woman Beautiful or, The Art of Beauty Culture By: Helen Follett Jameson

Fifty Years of Railway Life in England, Scotland and Ireland By: Joseph Tatlow

The Western World Picturesque Sketches of Nature and Natural History in North and South America By: William Henry Giles Kingston

It's a Small Solar System By: Allan Howard

First Book in Physiology and Hygiene By: John Harvey Kellogg

The Gay Rebellion By: Robert W. Chambers

Weak on Square Roots By: Russell Burton

Gilbertus Anglicus Medicine of the Thirteenth Century By: Henry Ebenezer Handerson

Belly Laugh By: Randall Garrett

The Medallic History of the United States of America 1776-1876 By: J. F. (Joseph Florimond) Loubat

The Great Dome on Mercury By: Arthur Leo Zagat

The Leader By: Murray Leinster

Jerome Cardan A Biographical Study By: W. G. (William George) Waters

Food Guide for War Service at Home By: Frances Swain

The Helpful Hand of God By: Tom Godwin

On the Relations of Man to the Lower Animals By: Thomas Henry Huxley

The Mississippi Saucer By: Frank Belknap Long

Honeymoon in Space By: George Griffith

Final Weapon By: Everett B. Cole

The Big Bounce By: Walter S. Tevis

Alcohol: A Dangerous and Unnecessary Medicine, How and Why What Medical Writers Say By: Martha Meir Allen

Warning from the Stars By: Ron Cocking

The Star Hyacinths By: James H. Schmitz

The Other Likeness By: James H. Schmitz

The Open Air By: Richard Jefferies

Flowers and Flower-Gardens With an Appendix of Practical Instructions and Useful Information Respecting the Anglo-Indian Flower-Garden By: David Lester Richardson

Self Mastery Through Conscious Autosuggestion By: Emile Coué

Drug Supplies in the American Revolution By: George B. Griffenhagen

No Moving Parts By: Murray F. Yaco

The Postage Stamp in War By: Frederick John Melville

Obed Hussey Who, of All Inventors, Made Bread Cheap By: Follett L. (Follett Lamberton) Greeno

Fifty Per Cent Prophet By: Randall Garrett

The Fourth "R" By: George O. Smith

The Good Neighbors By: Edgar Pangborn

The Stamps of Canada By: Bertram W. H. (Bertram William Henry) Poole

When the Sleepers Woke By: Arthur Leo Zagat

Yeast By: Thomas Henry Huxley

Martians Never Die By: Lucius Daniel

The Hills of Home By: Alfred Coppel

Vigorish By: John Berryman

Contributions to the Theory of Natural Selection A Series of Essays By: Alfred Russel Wallace

Combat By: Mack Reynolds

Games By: Katherine MacLean

Equation of Doom By: Gerald Vance

The Botanical Magazine, Vol. 6 Or, Flower-Garden Displayed By: William Curtis

Wandl the Invader By: Ray Cummings

London's Underworld By: Thomas Holmes

Rip Foster Rides the Gray Planet By: Harold L. Goodwin

Physics and Politics, or, Thoughts on the application of the principles of "natural selection" and "inheritance" to political society By: Walter Bagehot

Song in a Minor Key By: Catherine L. Moore

Indirection By: Everett B. Cole

Status Quo By: Dallas McCord Reynolds

Herself Talks with Women Concerning Themselves By: Edith B. Lowry

The Common Man By: Mack Reynolds

Lords of the Stratosphere By: Arthur J. Burks

Service with a Smile By: Charles Louis Fontenay

The Evolution of Modern Capitalism A Study of Machine Production By: John A. Hobson

Code Three By: Rick Raphael

An Ounce of Cure By: Alan Edward Nourse

History of the Division of Medical Sciences United States National Museum Bulletin 240, Contributions from the Museum of History and Technology, paper 43, 1964 By: Sami Khalaf Hamarneh

The Big Fix By: George O. Smith

Fighting the Traffic in Young Girls or, War on the White Slave Trade By: Ernest A. (Ernest Albert) Bell

My Studio Neighbors By: W. Hamilton Gibson

The Story of the Cambrian A Biography of a Railway By: C. P. (Charles Penrhyn) Gasquoine

Watch the Sky By: James H. Schmitz

Crime and Its Causes By: William Douglas Morrison

Volcanic Islands By: Charles Darwin