'Only in' guidebook series
Duncan JD Smith has written guides entitled about Berlin, Vienna, Budapest, Prague and Munich. His approach to places and history appeals to us a lot - very similar to hidden europe travel magazine.
Bradt Travel Guides
Bradt travel guides - take the road less travelled.
hidden europe travel magazine presents Cicerone Guides - a very handsome series of guidebooks, prepared mainly with hikers in mind. At their best the guidebooks nicely evoke the landscapes in some of Europe's most beautiful rural regions.
Stanford's (UK) - The Perfect Map Emporium
Stanford's: travel bookshop of first choice
The Times Atlas of the World
Times Atlas of the World: the perfect invitation to travel.