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

The Pygmy Planet By: Jack Williamson

The Aggravation of Elmer By: Robert Arthur

The Cuckoo Clock By: Wesley Barefoot

The Man from Time By: Frank Belknap Long

The Story of Germ Life By: Herbert W. Conn

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

Alien Offer By: Al Sevcik

The Mind Master By: Arthur J. Burks

Pandemic By: Jesse F. Bone

Droozle By: Frank Banta

Fire People By: Ray Cummings

Essays Towards a Theory of Knowledge By: Alexander Philip

The Invaders By: Murray Leinster

The Naturalist on the River Amazons By: Henry Walter Bates

The Best Made Plans By: Everett B. Cole

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

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

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

A Question of Courage By: Jesse F. Bone

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

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

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

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

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

The Untouchable By: Stephen A. Kallis

Project Trinity 1945-1946 By: Steve Rohrer

Every Girl's Book By: George Frank Butler

Biographies of Distinguished Scientific Men First Series By: François Arago

Birds of the Rockies By: Leander S. Keyser

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

Bear Trap By: Alan Edward Nourse

First Book in Physiology and Hygiene By: John Harvey Kellogg

It's a Small Solar System By: Allan Howard

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

Weak on Square Roots By: Russell Burton

Belly Laugh By: Randall Garrett

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

The Gay Rebellion By: Robert W. Chambers

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

The Helpful Hand of God By: Tom Godwin

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

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

The Great Dome on Mercury By: Arthur Leo Zagat

Food Guide for War Service at Home By: Frances Swain

The Leader By: Murray Leinster

Final Weapon By: Everett B. Cole

Honeymoon in Space By: George Griffith

The Mississippi Saucer By: Frank Belknap Long

The Big Bounce By: Walter S. Tevis

The Open Air By: Richard Jefferies

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

Warning from the Stars By: Ron Cocking

The Other Likeness By: James H. Schmitz

Self Mastery Through Conscious Autosuggestion By: Emile Coué

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

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

The Star Hyacinths By: James H. Schmitz

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

No Moving Parts By: Murray F. Yaco

The Good Neighbors By: Edgar Pangborn

The Fourth "R" By: George O. Smith

Fifty Per Cent Prophet By: Randall Garrett

The Postage Stamp in War By: Frederick John Melville

When the Sleepers Woke By: Arthur Leo Zagat

Vigorish By: John Berryman

Yeast By: Thomas Henry Huxley

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

The Hills of Home By: Alfred Coppel

Martians Never Die By: Lucius Daniel

Combat By: Mack Reynolds

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

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

Wandl the Invader By: Ray Cummings

Games By: Katherine MacLean

Equation of Doom By: Gerald Vance

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

Status Quo By: Dallas McCord Reynolds

Song in a Minor Key By: Catherine L. Moore

London's Underworld By: Thomas Holmes

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

Indirection By: Everett B. Cole

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

Code Three By: Rick Raphael

Service with a Smile By: Charles Louis Fontenay

An Ounce of Cure By: Alan Edward Nourse

Lords of the Stratosphere By: Arthur J. Burks

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

The Common Man By: Mack Reynolds

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

The Big Fix By: George O. Smith

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

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

Crime and Its Causes By: William Douglas Morrison