Gaby passes his driving test (for the first time?) and the Ten set off on holiday again in the old Citroen, just as the police issue a warning concerning a conspicuous red van driven by a juvenile delinquent. And why do counterfeit New Francs begin to circulate wherever they go?
Original title: (original French title not known)
Genre: Fiction→ Children & Young Adult→ Mystery
Fiction→ Children & Young Adult→ Adventure