The Empire Stops Here: A Journey along the Frontiers of the Roman World

The Saga of the Volsungs: With the Saga of Ragnar Lothbrok

The Atlas of Atlases: Exploring the most important atlases in history and the cartographers who made them

The Vikings: A Very Short Introduction

Small Island: 12 Maps That Explain The History of Britain

The Basic Works of Aristotle

Njal's Saga

To the Ends of the Earth: How the Greatest Maps Were Made

Ibn Fadlan and the Land of Darkness: Arab Travellers in the Far North

Inventing the English Massacre: Amboyna in History and Memory

Ragnar Lothbrok: The Tale of a Viking Warrior King

The World of Vikings

Sketches in Holland and Scandinavia

The Age of the Vikings

Gold Run: The Rescue of Norway's Gold Bullion from the Nazis, 1940

Folklore Fights the Nazis: Humor in Occupied Norway, 1940–1945