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 on fifteen of his toughest, most exciting cases ever, including a case of stolen diamonds, a skunk ape, a hit-run car, an Arctic explorer, and more. And with the clues given in each case, you can solve these mysteries, too!

The case of Natty Nat -- The case of Merko's grandson -- The case of the explorer's money -- The case of the muscle maker -- The case of the stolen diamonds -- The case of the super-secret hold -- The case of the stolen money -- The case of the skunk ape -- The case of the dead eagles -- The case of Mrs. Washington's diary -- The case of the hit-run car -- The case of the secret pitch -- The case of the junk sculptor -- The case of the gym bag -- The case of the champion skier.