"With a knack for trivia, Encyclopedia solves mysteries for the neighborhood kids through his detective agency. But his Dad is also the chief of police, and every night, Encyclopedia helps him solve his most baffling crimes. Join Encyclopedia Brown as he solves ten confounding mysteries, from recovering a client's prized tooth collection to following a trail of paint to find a sneaky thief, and more. And with the clues given in each case, readers will have a chance to solve the mystery themselves!"--Page 4 of cover. Solutions are found in the back of the book.

"Everyone's favorite boy detective"--Cover. Originally published: London ; New York : Nelson, [1966].

The case of the mysterious tramp -- The case of the rubber pillow -- The case of Bug's kidnapping -- The case of the boy bullfighter -- The case of the divining rod -- The case of the bitter drink -- The case of the telltale paint -- The case of the stolen diamonds -- The case of the missing statue -- The case of the house of cards.