Disqualified By: Charles Louis Fontenay

The Wonders of Instinct Chapters in the Psychology of Insects By: Jean-Henri Fabre

Country Walks of a Naturalist with His Children By: W. (William) Houghton

Biology A lecture delivered at Columbia University in the series on Science, Philosophy and Art November 20, 1907 By: Edmund B. (Edmund Beecher) Wilson

Essays on Life, Art and Science By: Samuel Butler

What The Left Hand Was Doing By: Randall Garrett

Unborn Tomorrow By: Mack Reynolds

Control Group By: Roger D. Aycock

Next Door, Next World By: Robert Donald Locke

Ohio Biological Survey, Bull. 10, Vol. 11, No. 6 The Ascomycetes of Ohio IV and V By: Bruce Fink

Zoonomia, Vol. II Or, the Laws of Organic Life By: Erasmus Darwin

The Young Mother Management of Children in Regard to Health By: William A. Alcott

The Home Medical Library, Volume I (of VI) By: Kenelm Winslow

Laboratory Manual of Glass-Blowing By: Francis C. (Francis Cowles) Frary

Taxidermy By: Leon Luther Pray

The Professional Approach By: Theodore Lockhard Thomas

The Worlds of If By: Stanley Grauman Weinbaum

The Beast of Space By: F. E. Hardart

A Study of Recent Earthquakes By: Charles Davison

The Life of the Bee By: Maurice Maeterlinck

Faithfully Yours By: Lou Tabakow

Bird Day; How to prepare for it By: Charles Almanzo Babcock

Blessed Are the Meek By: G. C. Edmondson

Secrets of the Woods By: William Joseph Long

Studies in Forensic Psychiatry By: Bernard Glueck

Omega, the Man By: Lowell Howard Morrow

Irresistible Weapon By: Horace Brown Fyfe

Collector's Item By: Robert F. Young

Impact By: Irving E. Cox

The Perfectionists By: Arnold Castle

Stopover Planet By: Robert E. Gilbert

Subversive By: Mack Reynolds