The Blue Herring Mystery (The Ellery Queen Jr. Mysteries‪)‬

Mysteries have a way of finding Djuna, and this time a missing page from an old ship's log and the dead captain's haunted house start the ball rolling. Djuna has learned that Captain Beekman brought a treasure from his whaling trips. Who can have an interest in letting the boy get lost? Was Djuna close to the answer of the mystery?