The Cambridge Companion to the Literature of the Crusades
Anthony Bale
Historical Dictionary of Shamanism
Graham Harvey & Robert J. Wallis
The Complete Infidel's Guide to ISIS
Robert Spencer
Encounters With Silence
Karl Rahner
The Forgotten Books of Eden
Rutherford Platt, Jr. & Jr. Rutherford H. Platt
Encyclopedia of Buddhism
Robert E. Buswell