The Gnostics: The First Christian Heretics
Sean Martin
The Complete Idiot's Guide to the Crusades
Paul L. Williams
The Student's Introduction to Mathematica® and the Wolfram Language ...
Bruce F. Torrence & Eve A. Torrence
The Handbook of English Linguistics
Bas Aarts & April McMahon
Algorithmic Puzzles
Anany Levitin & Maria Levitin
What the Bleep Do We Know!?
William Arntz & Betsy Chasse & Mark Vicente