The Perfectionists By: Arnold Castle

Impact By: Irving E. Cox

The Coming of the Ice By: Green Peyton

Stopover Planet By: Robert E. Gilbert

Was Man Created? By: Henry A. (Henry Augustus) Mott

Women of Modern France By: Hugo P. (Hugo Paul) Thieme

Rip Foster in Ride the Gray Planet By: Harold L. Goodwin

On the Genesis of Species By: St. George Jackson Mivart

Chatterbox Stories of Natural History By: Anonymous

The Servant Problem By: Robert F. Young

Pushbutton War By: Joseph Paul Martino

By Proxy By: Randall Garrett

The Death-Traps of FX-31 By: Sewell Peaslee Wright

Teething Ring By: James Causey

Lonesome Hearts By: Russell R. Winterbotham

Birds and Bees, Sharp Eyes, and Other Papers By: John Burroughs

Six Lectures on Light Delivered In The United States In 1872-1873 By: John Tyndall

The Social Emergency Studies in Sex Hygiene and Morals By: William Trufant Foster

Moral Principles and Medical Practice The Basis of Medical Jurisprudence By: Charles Coppens

The Human Side of Animals By: Royal Dixon

Suite Mentale By: Randall Garrett

The Measure of a Man By: Randall Garrett

Darwin, and After Darwin An Exposition of the Darwinian By: George John Romanes

Hard Guy By: H. B. Carleton

Adenoids: What They Are, How To Recognize Them, What To Do For Them By: United States. Public Health Service

Resurrection By: Robert Shea

There Will Be School Tomorrow By: V. E. Thiessen

A Treatise on Physiology and Hygiene For Educational Institutions and General Readers By: Joseph Chrisman Hutchison

United States Census Figures Back to 1630 By: United States. Bureau of the Census

Edison's Conquest of Mars By: Garrett Putman Serviss

Sir Jagadis Chunder Bose His Life and Speeches By: Jagadis Chandra Bose

Stairway to the Stars By: Larry T. Shaw