Encyclopedia Brown and the Case of the Mysterious Handprints, Paperback/Donald J. Sobol

A stolen watermelon... Dueling kites... A blond wig left at the scene of the crime... And a smashed wristwatch whose time has run out 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