24 books • 16 series
Lisbon and Central Portugal (Black's Regional Guides to Portugal) (Passport's regional guides of Portugal)
Northern Portugal (Black's Regional Guides to Portugal) (Passport's regional guides of Portugal)
Algarve and Southern Portugal (Black's Regional Guides to Portugal) (Passport's regional guides of Portugal)
Visitor's Guide Greece (World Traveller S.) (Visitor's guide)