The adventures of Donald J. Sobol's amateur detective Encyclopedia Brown have been delighting puzzle and mystery lovers for over four decades-earning a special Edgar Award in the process. Here are 10 more devilishly clever noggin scratchers for young listeners to try and solve. Join Leroy "Encyclopedia" Brown as he keeps the streets of tiny Idaville free from petty crooks, ruffians, and altogether no-goodniks-all for 25 cents a day, plus expenses....

The ten-year-old detective continues his war on crime in Idaville through ten more cases, for which the reader is invited to guess the solution before it is revealed.

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.

Fifth-grader "Encyclopedia" Leroy Brown solves ten mysteries and, by putting the solutions at the back of the book, challenges the reader to do the same.

Further adventures of Idaville's Leroy Brown who solves ten intriguing cases. The solutions are explained at the end of the book.

Ten brief cases allow the reader to match wits with ten-year-old crime-buster, Encyclopedia Brown, as he locates stolen jewels, solves a bank robbery, and more. Solutions are included at the back of the book.

Idaville's secret weapon against lawbreakers, ten-year-old Leroy "Encyclopedia" Brown, helps the police force solve ten new cases, the solutions to which are found in the back of the book.

America's Sherlock Holmes in sneakers continues his war on crime in ten more cases, the solutions to which are found in the back of the book.