A plot to steal a top-secret instrument vital to the United States space program poses a challenging case for Frank and Joe Hardy. After rescuing a South American stowaway who mutters a warning about Footprints and then vanishes, Frank and Joe discover that documents belonging to their famous detective father are missing and that footprints linger under a window. The young detective's search for the diabolical mastermind of the Footprints spy ring takes them on a flight to a group of islands off the coast of South America.
Ik heb een vraag over het boek:
‘Hardy Boys 12: Footprints Under the Window - Dixon, Franklin W.’.
Vul het onderstaande formulier in.
We zullen zo spoedig mogelijk antwoorden.
