A stolen teacup...<br><br>An extra set of footprints...<br><br>Four very strange words...<br><br>A pirate's treasure...<br><br>And a race to find a cheater in Idaville's annual disgusting sneaker contest!<br><br>These are just some of the ten brain-twisting mysteries that Encyclopedia Brown must solve by using his famous computerlike brain. Try to crack the cases along with him--the answers to all the mysteries are found in the back!