Internet Infidels's library of downloadable books: 

Breaking Up With Jesus, by Amy Black

Honest, detailed story of one person's de-conversion

The Jury Is In: The Ruling on McDowell's "Evidence" 
(This is a detailed rebuttal of Josh McDowell's Evidence that Demands a Verdict.) 

Free Downloadable & Online Books

(These web sites are not associated with Freethinkers' Books. But we think you might like them.)

Quotations that Support the Separation of Church and State