i'll start things off with mine:
"The Hiram Key: Pharaohs, Freemasons and the Discovery of the Secret Scrolls of Jesus" by Christopher Knight and Robert Lomas
"Templar Revelation: Secret Guardians of the True Identity of Christ" by Lyn Picknett and Clive Prince
"Gospel of Mary Magdalene" by Jean-Yves LeLoup and Joseph Rowe
"Holy Blood, Holy Grail" by Michael Baigent, Henry Lincoln, and Richard Leigh
"The Urantia Book"
"The Bridge to Nothingness: Gnosis, Kabala, Existentialism, and the Transcendental Predicament of Man" by Shlomo Giora Shoham