The Complete Guide to the Enneagram
Sierra Mackenzie
Leonhard Euler: Mathematical Genius in the Enlightenment
Ronald Calinger
The Thinker's Thesaurus
Peter E. Meltzer
A Modern Approach to Verbal & Non-Verbal Reasoning
R. S. Aggarwal
Bion Today
Chris Mawson
The Publisher: Henry Luce and His American Century
Alan Brinkley