Ten brief cases allow the reader to match wits with ten-year-old crime-buster, Encyclopedia Brown, as he recovers a client's missing tooth collection , finds a sneaky thief, and more. Solutions are included at the back of the book.

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.

Ten brief cases allow the reader to match wits with ten-year-old crime-buster, Encyclopedia Brown, as he investigates such cases as whether a diary of George Washington's mother is authentic, or if a UFO picture supposedly taken by the army is real.

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.

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.

Encyclopedia Brown, boy detective extraordinaire, solves ten new cases, including "The Case of the Miracle Pill," "The Case of Nemo's Tuba," "The Case of the Lawn Mower Races," and "The Case of the Air Guitar." Solutions provided at the end of each chapter.

Leroy Brown, aka Encyclopedia Brown, is Idaville's ten-year-old star detective. With an uncanny knack for trivia, he solves mysteries for the neighborhood kids through his own detective agency.

Encyclopedia Brown, brilliant fifth-grade amateur detective, solves ten crimes. The reader may match solutions with those 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 investigates such cases as toys missing from a fair, music stolen from a singer-songwriter, and arrowheads that disappear during a campout.

Suspects who are identical twins...
A leaking tent...
Magical worm pills...
A zebra's portrait...
And a sheet of toilet paper from Spain that's been swiped!
These are just some of the ten brain-twisting mysteries that Encyclopedia Brown must solve by using his famous computer-like brain. Try and crack the cases along with him—the answer to all the mysteries are found in the back!