Collecting the first story arc from the hit team-up book written by Mark Waid (52, THE FLASH) with art by George Pérez (INFINITE CRISIS) and Bob Wiacek (ORION)! The adventure begins when Batman and Green Lantern set out on the trail of what could be the greatest weapon in the DCU: the Book of Destiny, whose possessor will have the knowledge of all that has ever been or will be! Along the way, an impressive array of DC heroes becomes involved, including Supergirl, Blue Beetle, Lobo and more as the battle lines are drawn!