Billy, Finn, and Dannie investigate a series of thefts at a railroad workers camp, they also find themselves searching for Billy's missing cousin, nine-year-old Mim.
During the 1920s, Billy, Finn, and Dannie, living in a railroad workers camp in the Cascade Mountains, encounter Finn's air show pilot uncle, endure a troublemaking new boy, and stand up to smugglers.
Ten-year-old Billy, his best friend Finn, and a girl named Dannie, living in a 1920s camp of railroad workers in the Cascade Mountains, follow clues to try to uncover the relationship of a stolen crate of dynamite with gold taken during an 1893 train robbery.
Wishbone and Joe race to discover the truth when Joe is suspected of playing practical jokes on his basketball teammates, derailing their chances for a great season.
Wishbone and his friends race to solve an increasingly complicated mystery when their favorite pizza parlor, Pepper Pete's, becomes the target of a lot of bad publicity following the theft of an antique model steam engine that had been on display at the restaurant.
