Like solving puzzles? The fun of a contest? Honesty winning out? Then check out Jody Feldman's The Gollywhopper Games (Greenwillow 2008).
Gil Goodson's dad was fired from the Golly Toy and Game Company for embezzling and life has been terrible in Orchard Heights ever since. If Gil can win the Gollywhopper Games competition, the family will have the money to move away. Gil's been studying the company's history and merchandise, but first he has to get in to the contest.
Read about this Missouri author at her site, plus get a chance to play some games.