The latest book in Jonny Duddle's younger fiction series. When Jim Lad and his dad discover a treasure map in an old bottle, they set sail to find the mysterious island, only to end up in the belly of the dastardly Pirate Cruncher. Can Matilda, Grandpa and the rest of the Jolley-Rogers rescue them before it is too late?

Jonny Duddle, illustrated by Jonny Duddle