Flip, a sandshark, practices all week for Joke Day at school, but when the time comes and he faces a big crowd, Flip freezes until his twin brother, Fin, comes to the rescue.
- ISBN10 0062243012
- ISBN13 9780062243010
- Publish Date 14 June 2016 (first published 22 April 2014)
- Publish Status Active
- Publish Country US
- Publisher HarperCollins Publishers Inc
- Imprint HarperCollins
- Format Hardcover
- Pages 32
- Language English
- URL http://harpercollins.com.au/9780062243010