"An enigmatic message leads the Code Busters on a treasure hunt on creepy Alcatraz Island, where they must use their problem-solving skills to unravel the mystery"--
- ISBN10 1606844555
- ISBN13 9781606844557
- Publish Date 8 October 2013 (first published 1 January 2012)
- Publish Status Active
- Out of Print 15 June 2021
- Publish Country US
- Imprint Egmont USA
- Format Paperback
- Pages 212
- Language English