Library Binding
(Paw Prints 2008-04-18, April 18, 2008)
The solutions to ten mysteries solved by Leroy "Encyclopedia" Brown are given in a separate section challenging the reader to match wits with the ten-year-old mastermind of Idaville's war on crime.
School & Library Binding
(Turtleback Books, July 1, 1991)
FOR USE IN SCHOOLS AND LIBRARIES ONLY. The junior sleuth and his able assistant, Sally Kimball, are back in harness, finding a stolen painting and a missing song script, exposing a crooked marathon, and solving other mysteries
More mysterious cases for "America's Sherlock Holmes in sneakers" to solve for the standard twenty-five-cent fee. Solutions are included at the back of the book.