The neighborhood criminals are getting craftier, but they are no match for Idaville's ten-year-old secret weapon. Encyclopedia Brown is open for business, charging just twenty-five cents a day to solve the mysteries that leave everyone else scratching their heads. With the toughest girl in the fifth grade, Sally Kimball, acting as his bodyguard and partner, Encyclopedia is ready to take on ten thrilling new cases and put a stop to the sneaky tricks of Bugs Meany and Wilford Wiggins. You are invited to join the detective agency and tackle some truly bizarre puzzles. You will need to figure out what happened to a missing nose, track down stolen monkey money, and investigate racing reptiles that suddenly turn into snake snacks. Every story challenges you to pay close attention to the facts. The culprits always make one tiny mistake, and it is up to you to spot it before the boy sleuth reveals the answer. Grab your notebook, analyze the suspects, and see if you can solve the mysteries before flipping to the back of the book for the final solutions!