Spending the summer after sixth grade at his great-uncle's oceanside museum, Thatcher and local girl Trudy team up to help Shoal, one of the people of Atlantis cursed by a witch whose head still survives, and who has an army of monstrous creatures helping her.
- ISBN10 1599904896
- ISBN13 9781599904894
- Publish Date 11 May 2010
- Publish Status Out of Print
- Out of Print 27 July 2021
- Publish Country US
- Imprint Bloomsbury Publishing PLC
- Format Hardcover
- Pages 196
- Language English