Idaville is a peaceful town, but that is only because a ten-year-old mastermind is working hard to keep the local criminals in check. Leroy Brown, famously known as Encyclopedia, uses his unconventional knowledge and razor-sharp memory to solve mysteries that leave the adult police force completely baffled. Whether he is assisting his police chief father at the dinner table or running his own private detective agency for twenty-five cents a day, Encyclopedia never backs down from a tricky puzzle. Now it is your turn to match wits with America's favorite Sherlock Holmes in sneakers. You will investigate ten confounding new cases, confronting neighborhood bullies, catching sneaky thieves, and exposing the lies of clever tricksters. Every story contains all the clues you need to solve the crime, inviting you to chime in with your own solutions before the truth is revealed. Read the evidence, spot the fatal mistake, and see if you can crack the case. The answers are waiting at the back of the book if you ever need a little extra help!