"A refreshing in-depth look at a critical point in the development of Western esotericism. Eschewing the speculations and wild imaginings with which much occult literature is rife, Wasserman weaves a fascinating tale based on factual data from the best scholarly sources. He is uniquely qualified to handle the subtleties and intricacies of the belief systems and dynamics of these two seminal secret societies."
– Christopher S. Hyatt, Ph.D., Magus of the Golden Dawn
"Against a sweeping historical backdrop, Wasserman sheds new light on the interrelationship of these two most powerful orders of the late mediaeval Middle East, their spiritual ideals, and the perennial appeal of their myths."
– Hymenaeus Beta, Frater Superior, Ordo Templi Orientis
"Wasserman adds profoundly to our understanding of the religious, ideological, and initiatory forces that shaped the development of Western civilization. [He] brings both impeccable scholarship and a rare gift for making even the most complex metaphysical concepts intelligible to his readers."
– Michael A. Aquino, Ph.D., High Priest Emeritus, Temple of Set
"James Wasserman has done us all a great service by allowing us to access further insights into the beliefs and relevance of these traditions. One always looks forward to such well researched and eloquently written expositions."
– Elias Ibrahim, New Dawn, September-October 2001
"This book provides a fascinating, if speculative, insight into the secret life of the holy warriors of Christendom and Islam. Recommended."
– The Cauldron, February 2002
"If you are interested in the factual stories of these extremely influential organizations, you will find this book fascinating."
– Mike Gleason, Witchgrove.org, Mar 2007