Crusade Against the Grail: The Struggle Between the Cathars, ...
Otto Rahn
The Light Beyond
Raymond A. Moody & Paul Perry
The Nature of Evil
Daryl Koehn
Graph-based Knowledge Representation: Computational Foundations ...
Michel Chein & Marie L. Mugnier
A Probabilistic Theory of Pattern Recognition
Luc Devroye & László Györfi & Gabor Lugosi
Stonehenge
Bernard Cornwell