Vampirates: Tide of Terror by Justin Somper
Connor Tempest may only be fourteen but he's taken to the life of a pirate like a duck to water. But his loyalties are divided between his shipmates and his sister. Grace isn't finding the pirate life so appealing. She cannot shake the feeling that all is not well on the vampirate ship she left behind. Dare she try to return to it? Sidoro may have been expelled from the vampirate ship but his dark deeds are just beginning. In this sequel to VAMPIRATES: DEMONS OF THE OCEAN, the seas are rougher than ever and a new tide of terror sweeps up Connor, Grace, their allies and their foes.