Chet Morton's cousin, Vern, is on his way to California to find a rare and valuable coin mysteriously missing from his uncle's bank vault. When he stops in Bayport, his brand-new car is stolen. The Hardys take on a double mystery-and double danger as they head for the West Coast to investigate this sinister mystery.

שם הספר
Night of the werewolf
Overseas assignments
The pahntom freighter
The arctic patrol mystery
The sinister sign post