Robert, a robot, and his dog-friend Mishmash disappear at a time when a rash of robberies strike the town, leading everyone to believe that Mishmash has been led astray
FOR USE IN SCHOOLS AND LIBRARIES ONLY. In each book, fifth-grade detective ""Encyclopedia"" Leroy Brown solves ten mysteries. Solutions are found in the back of the book, challenging readers to practice their own skills as sleuths (and critical thinkers).