The Story of My Life By: Helen Keller

On War By: Carl von Clausewitz

Psychotherapy By: Hugo Münsterberg

Skylark Three By: E. E. Smith

The 2010 CIA World Factbook By: United States. Central Intelligence Agency

Talents, Incorporated By: Murray Leinster

The Status Civilization By: Robert Sheckley

Sidelights on Relativity By: Albert Einstein

The Misplaced Battleship By: Harry Harrison

Creative Chemistry By: Edwin E. Slosson

Arm of the Law By: Harry Harrison

Triplanetary, First in the Lensman Series By: E. E. “Doc” Smith

Studies in the Psychology of Sex, Volume One By: Havelock Ellis

Stand by for Mars By: Carey Rockwell

A Slave is A Slave By: H. Beam Piper

The Untroubled Mind By: Herbert J. Hall

The K-Factor By: Harry Harrison

Hunter Patrol By: H. Beam Piper and John McGuire

My Secret Life, Volumes I. to III. 1888 Edition By: Anonymous