Suspects who are identical twins...A leaking tent...Magical worm pills...A zebra's portrait...And a sheet of toilet paper from Spain that's been swiped!These are just some of the ten brain-twisting mysteries that Encyclopedia Brown must solve by using his famous computerlike brain. Try crack the cases along with him--the answer to all the mysteries are found in the back!

Donald J. Sobol was the author of the highly acclaimed Encyclopedia Brown series and many other books. His awards include a special Edgar Award from the Mystery Writers of America for his contribution to mystery writing in the United States, and the Pacific Northwest Library Association Young Readers’ Choice Award for Encyclopedia Brown Keeps the Peace.