Batman: Chalice, Paperback Book, By: Chuck Dixon

First Batman learns that not only does his nobility extend deep within his ancestry, but also that some things are beyond the laws of science. In possession of what could be the Holy Grail, the Dark Knight Detective must come to terms with the ramifications of its existence while safeguarding the artifact from various attackers. Next when Gotham s wealthiest citizens start vanishing along with some Egyptian artifacts Batman must trace the crimes and try to unravel who is behind it all - and what their deadly agenda might be