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 computer-like brain. Try and crack the cases along with him--the answer to all the mysteries are found in the back!

All Editions

Paperback, 8th Edition

ISBN13: 9780553156508

Random House, 1989