Caesar the War Dog 5: Operation Black SharkCaesar the War Dog's most exciting and suspenseful adventure yet! When Sergeant Ben Fulton's family joins him on a cruise ship holiday, Ben, Josh, Maddie and Nan travel in luxury among the islands of the Caribbean while Caesar is in quarantine. But a gang who have broken out of a Cuban prison have other ideas. They hijack the massive ship and hold its three thousand passengers to ransom. With passengers of all nationalities in danger, only the United