Contains two stories in which third-grade sleuths Noelle and Todd set out to impress their new teacher by finding the author of an anonymous note and search for a trespasser who left a mysterious pink handkerchief in Todd's tree house.
Cousins Mike and Kate must help the Philadelphia Phillies' mascot, the Phillie Phanatic, clear his name after the team's bats begin to suspiciously break during games.
Cousins Kate and Mike visit Kate's father, a baseball scout for the Dodgers, in Los Angeles just as a series of suspicious events lead him to think that someone is trying to steal his scouting reports.
A dollhouse filled with a ghostly light in the middle of the night and dolls that have moved from where she last left them lead Amy and her retarded sister to unravel the mystery surrounding grisly murders that took place years ago.
The members of the Freaky Joe Club find that things go wrong when their team known as the Sea Dragons tries to beat the Sharks in the Imagination Railroad contest.
The Aldens discover that one of Pikesville's little league coaches has been cheating all season, which is somehow related to a plan to raze the town's historic baseball field.
When Oscar's English teacher, Mr. Meeker, is attacked in the school parking lot, everyone believes Oscar is responsible, forcing Oscar to track down the real assaulter and clear his name.
When people start vanishing from a godforsaken trailer park next to the Folsom Energy Plant, two eleven-year-olds investigate using mathematical clues that were hastily planted by their friend Mrs. Clarke before she disappeared.
Minneapolis police lieutenant Lucas Davenport teams up with New York cop Lily Rothenberg to investigate when a top FBI official is targeted by a band of Native Americans seeking revenge for an attack on one of their young women.
