Encyclopedia Brown #17: Encyclopedia Brown and the Case of the Treasure Hunt

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 to crack the cases along with him - the answer to all the mysteries are found in the back!