Encyclopedia Brown Gets His Man (Encyclopedia Brown Books)
A ghost who whistles... Eight stuffed penguins... An underwater  car... A famous explorer's fortune... and an ldaville boy who's  literally lost his marbles! 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!