Chapter Book Sunbird George the Flybot and the Treasure of Cocos Island

Long ago, a crew of pirates lost a stolen treasure. Now, GEORGE the flybot is off to Cocos Island in Costa Rica to search for the vanished gold! Deep in the jungle, GEORGE learns some troubling facts about the island's ecosystem and makes it his personal mission to help the animals who live there. But he may be in big trouble with his boss, who has just learned about GEORGE's past personal missions...
Book 4 in the GEORGE THE FLYBOT series.