The creature called Man-Bat escapes Arkham Asylum with a secret weapon: a sonar shriek that makes citizens turn "batty!" Can Batman keep Gotham City from becoming a "City of Bats?"
- ISBN10 1406279625
- ISBN13 9781406279627
- Publish Date 13 February 2014 (first published 1 January 2014)
- Publish Status Out of Print
- Out of Print 20 March 2023
- Publish Country GB
- Publisher Pearson Education Limited
- Imprint Raintree Publishers
- Format Hardcover
- Pages 32
- Language English