Pirates Ahoy!

Could there be a pirate treasure buried in Bayport? Captain Sid, the owner of a souvenir shop, says there is. When Frank, Joe, and Chet meet Sid on their way to go sailing, he tells them about a pirate ship that sank off the coast of Bayport four hundred years ago. As the boys head to the boat, they find a strange silver coin on the ground...then an old bottle with a treasure map inside...then a r...