On a class trip to the Cornell Mission, The Code Busters learn about Hippolyte de Bouchard, California's only known pirate. Now the Code Busters are on the trail of a new prize: pirate gold! But with a fortune at stake, the codes are bound to be hard. Will the Code Busters be able to figure them out, or will this mystery prove to be too difficult to solve? With fun interactive codes to solve throughout, kids won't even realise that while they join the Code Busters on their next adventure they're learning vital problem solving skills and being introduced to key maths concepts.

 

This book was recognised by the Agatha Award. The Agatha Awards, named for Agatha Christie, are literary awards for mystery and crime writers who write in the cozy mystery subgenre (i. e. closed setting, no sex or violence, amateur detective) and are awarded annually at the Malice Domestic Conference. It was recognised by the Anthony Award.

This book is part of a book series called The Code Busters Club .

There are 184 pages in this book. This book was published 2013 by Egmont USA .

Penny Warner has written over 30 books, including 5 books in the Connor Westphal mystery series, which features a deaf reporter in California gold country. Her book Dead Body Language was nominated for an Agatha Award and won a Macavity Award for Best First Mystery. Warner is a former Brownie and Girl Scout, as well as a troop leader.