Captain Wag and the Big Blue Whale by Michael Terry
Captain Wag the pirate dog and his friends One-Eye Jack and Old Scratch are marooned! Somehow they have to escape from their lonely treasure island and find a way home. Perhaps they can, with a bit of ingenuity and help from an unexpected quarter ...A rollicking piratical story that finds Captain Wag defying the scoundrel Pirate Ginger Tom yet again.