Encyclopedia Brown and the case of the midnight visitor

"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, including a case of a kidnapped millionaire, a dangerous dog and his mean owner, a famous big-town crook, and more. And with the clues given in each case, readers will have a chance to solve the mystery themselves!"--P. [4] of cover. Solutions are found in the back of the book.