Year of the Big Thaw By: Marion Zimmer Bradley

Seed Dispersal By: William J. Beal

The Life-Story of Insects By: George H. (George Herbert) Carpenter

The Pivot of Civilization By: Margaret Sanger

Islands of Space By: John Wood Campbell. Jr.

The House Fly and How to Suppress It U. S. Department of Agriculture Farmers' Bulletin No. 1408 By: L. O. (Leland Ossian) Howard

The Essays of Arthur Schopenhauer; On Human Nature By: Arthur Schopenhauer

The Velvet Glove By: Harry Harrison

Studies About Trees By: Jacob Joshua Levison

Time Crime By: H. Beam Piper

Outlines of Greek and Roman Medicine By: James Elliott

What a Young Woman Ought to Know By: Mary Wood-Allen

The Gifts of Asti By: Andre Norton

Essays in War-Time Further Studies in the Task of Social Hygiene By: Havelock Ellis

The Sceptical Chymistor Chymico-Physical Doubts By: Robert Boyle

Sex--The Unknown Quantity The Spiritual Function of Sex By: Alexander J. (Alexander James) McIvor-Tyndall

The Sailor's Word-Book An Alphabetical Digest of Nautical Terms, including Some More Especially Military and Scientific, but Useful to Seamen; as well as Archaisms of Early Voyagers, etc. By: W. H. (William Henry) Smyth

Five of Maxwell's Papers By: James Clerk Maxwell

Old English Patent Medicines in America By: George B. Griffenhagen

Criminal Psychology; a manual for judges, practitioners, and students By: Hans Gustav Adolf Gross

A Book of Remarkable Criminals By: Henry Brodribb Irving

The Secret of the Island By: Jules Verne

Secret Societies And Subversive Movements By: Nesta Helen Webster

Danger! and Other Stories By: Sir Arthur Conan Doyle

Aphrodisiacs and Anti-aphrodisiacs: Three Essays on the Powers of Reproduction By: John Davenport

How to Live Rules for Healthful Living Based on Modern Science By: Irving Fisher

The Mushroom, Edible and Otherwise Its Habitat and its Time of Growth By: Miron Elisha Hard

A Critique of the Theory of Evolution By: Thomas Hunt Morgan

Invaders from the Infinite By: John Wood Campbell. Jr.

The Hated By: Frederik Pohl

Ducks at a Distance A Waterfowl Identification Guide By: Bob Hines

With The Night Mail A Story of 2000 A.D. (Together with extracts from the comtemporary magazine in which it appeared) By: Rudyard Kipling