Can a ten year old boy in sneakers really be the ultimate secret weapon in a town's war against crime? If that boy is Encyclopedia Brown, the answer is an absolute yes. The brilliant young detective is back in action, and this time he has ten completely new mysteries that need your attention. Fortunately, he is not working alone. His trusted partner, Sally Kimball, the bravest and most capable girl in the fifth grade, is right by his side to help keep things in order. Together, you will face off against the notorious neighborhood bully Bugs Meany, who is always dreaming up fresh ways to cause trouble. You will also have to outsmart Wilford Wiggins, a persistent schemer constantly trying to trick the local kids out of their hard earned savings. From a strange miracle pill to an unforgettable lawn mower race, these cases are packed with curious clues and brand new characters. You are given all the evidence you need to figure out who is lying and who is telling the truth. Step up to the challenge, examine the facts closely, and see if you can solve the mystery of the jumping frogs before you check the answers at the end.