Blue River, Black Sea

Danubia: A Personal History of Habsburg Europe

14 Fun Facts About the Danube (15-Minute Books Book 610)

The Danube: A Journey Upriver from the Black Sea to the Black Forest

Eastern Europe!: Everything You Need to Know About the History (and More) of a Region that Shaped Our World and Still Does

Between the Woods and the Water: On Foot to Constantinople: From the Middle Danube to the Iron Gates (Journey Across Europe Book 2)

The Danube

The Bridge at Andau: The Compelling True Story of a Brave, Embattled People

The Broken Road: From the Iron Gates to Mount Athos (Journey Across Europe Book 3)

Travels with Rachel: In Search of South America