Meeting Jesus Again for the First Time : The Historical Jesus and the Heart of Contemporary Faith - Marcus J Borg
Jesus Prophet of Islam - Muhammad Ata ur-Rahim
A Muslim Study of the Origins of the Christian Church - Ruqaiyyah Maqsood
The Hidden Gospel - Neil Douglas-Klotz
Dead Sea Scrolls The Untold Story - Kenneth Hanson
The Historical Figure of Jesus - Sanders
The Quran
NOTE: The following books I have not read. I bought them but have not been able to get to them. Well, I started both The Christ Conspiracy and 16 Crucified Saviors, but both are pretty thick and I haven't gotten a chance to get through them. :(
James the Brother of Jesus - Robert Eisenman
The Christ Consipiracy: The Greatest Story Ever Sold - Acharya S
The World's 16 Crucified Saviors - Graves
The Birth of Christianity - Crossan