'In the book Digging for Buried Treasure, Uncle Earl, Mia and Flynn are investigating a strange, double-headed coin. Does it have any link to the famous Money Pit on Oak Island? Flynn and Mia sneak onto the island where they become involved in a game called Fortune's wheel. While playing, they save the life of the island's only resident, Crazy Campbell. Their final spin of Fortune's wheel leads them to an impressive mountain of treasure. Is this the best treasure of all?'
Source: Publisher's blurb.