Atheism and Theism
J. J. C. Smart & J. J. Haldane
Natural Language Parsing Systems
Jaime Guillermo Carbonell
Advance Grammar Tests
RIDVAN
A History of Western Philosophy
Bertrand Russell
A World Full of Gods: An Inquiry Into Polytheism
John Michael Greer
Lost scriptures: books that did not make it into the New Testament
Bart D. Ehrman