Hilda and the ghost ship

"Ships are disappearing in Trolberg Bay, and our favorite blue-haired adventurer, Hilda, is on the case. With the Wood Man and Frida by her side she sets out to find out what kind of creatures could be causing all this havoc. Speaking of creatures, why are animals fleeing to the old windmill? Hilda must solve both mysteries to save the town from danger!"--Back cover.