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.

This volume includes:
Encyclopedia Brown, Boy Detective and The Case of the Secret Pitch – two collections of mysteries that Encyclopedia Brown must solve by using his famous computerlike brain.
A cross-eyed baseball pitch...
A kid-lover tumed kidnapper...
A watermelon stabbing...
A trapeze artist's inheritance...
These are just some of the brain-twisters included. Try to crack the cases along with him—the...

Presents ten cases in which the reader pits his wits against those of Encyclopedia Brown, an ingenious twelve-year-old detective.

Ten mysteries for ten-year-old Encyclopedia Brown, his partner, Sally, and the reader to solve. Solutions are given at the back of the book.

The town's ten-year-old walking encyclopedia again solves ten neighborhood mysteries. The final solutions to the cases are at the back of the book, giving the reader a chance to compare his skill to that of Encyclopedia Brown.

Encyclopedia Brown, boy detective, solves ten more mysteries. The solutions are given at the end of the book.

"With a knack for trivia, Encyclopedia solves mysteries for the neighborhood kids through his detective agency. But his Dad is also the chief of police, and every night, Encyclopedia helps him solve his most baffling crimes. Join Encyclopedia Brown as he solves ten confounding mysteries, from a shady deal by his arch-nemesis Bugs Meany to unraveling the mysterious kidnapping of Little Bobby Tyler, and more. And with the clues given in each case, readers...

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.