While on a journey from Chicago to San Francisco on the California Comet with his uncle, amateur sleuth Hal Beck stumbles into a mystery when the daughter of a billionaire tech entrepreneur goes missing. "In this second book of the middle-grade Adventures on Trains series, amateur sleuth Hal Beck travels to the U.S. with his uncle to ride a famous train-the California Comet-and stumbles on a new mystery to solve, in M.G. Leonard and Sam Sedgman's...

When a fellow passenger dies on the historic Safari Star as it rides through South Africa, amateur sleuth Hal Beck is determined to figure out if foul play is involved and who is responsible before they reach their final destination.