Accompanied by Supergirl, Hal Jordan has tracked a thief to Ventura, a planet whose entire economy depends on gambling. But their quarry will not be easy to catch... the book he has stolen contains a complete record of not only the past and present, but also the future. Can Hal and Kara stop a thief to whom the future is an open book? Back on Earth, Batman attempts to track down the remaining thief, and receives aid from someone unexpected.