From the book: Jody McGrath's dolphin dreams are coming true. Her whole family is sailing around the world researching dolphins - and Jody is recording all their exciting adventures in her Dolphin Diaries. The McGraths have arrived in the Bahamas. Jody can't wait to pay a visit to little Bahama Bank to see some Atlantic spotted dolphins, and maybe find out if the rumours about a lost treasure ship are really true.