When the Code Busters visit the Carmel Mission, a series of coded messages sets them on the hunt for long-hidden pirate treasure.
- ISBN10 1606845179
- ISBN13 9781606845172
- Publish Date 5 August 2014 (first published 1 January 2013)
- Publish Status Active
- Out of Print 15 June 2021
- Publish Country US
- Imprint Egmont USA
- Format Paperback
- Pages 196
- Language English