Danube Bike Trail 4 Cycling Guide Budapest to Belgrade
Danube Bike Trail #3 (Cycline Cycling Guides) (v. 3)
Danube Bike Trail: German Danube from Donaueschingen to Passau Vol 1 (English and German Edition)
The Danube Cycleway Volume 2: From Budapest To The Black Sea
Danube Bike Trail 2 (Passau to Vienna)
The Rhine Cycle Route