Edward Nygma, otherwise known as The Riddler, is supposedly cured and out of prison, but now he is being hunted by mysterious ninja assassins--so he turns to Batman for protection.
- ISBN10 1434245586
- ISBN13 9781434245588
- Publish Date 1 July 2012
- Publish Status Out of Print
- Out of Print 20 December 2023
- Publish Country US
- Imprint Stone Arch Books
- Format Hardcover
- Pages 32
- Language English