Title: The Mystery of the Wandering Caveman
First published: June 27, 1985
Description: This book is mistitled. If you click on it you get a German book in old German letters about I don't know what. Nothing to do with the Three Investigators. Must be someone's idea of a joke!
Subjects: Fiction, Museums, Mystery and detective stories, series:The Three Investigators Mystery, series:Die drei Fragezeichen