Empire of Ice and Stone: The Disastrous and Heroic Voyage of the Karluk

Life on Svalbard

Prisoners of Geography: Ten Maps That Explain Everything about the World: Ten Maps That Explain Everything about the World

Timeline of World History

The Silk Roads: A New History of the World: A New History of the World

Invisible Iceberg: When Climate and Weather Shaped History

America the Beautiful: A Story in Photographs: A Story in Photographs

Polar Bears Past Bedtime

The Museum of Lost Things

Guns, Germs, and Steel: The Fates of Human Societies (Anniversary): The Fates of Human Societies

The National Geographic Story

The Gates of Europe: A History of Ukraine (Revised): A History of Ukraine

From Babylon to Timbuktu

Never Touch a Polar Bear!

Age of Revolutions: Progress and Backlash from 1600 to the Present: Progress and Backlash from 1600 to the Present

Wild Dark Shore

South to America: A Journey Below the Mason-Dixon to Understand the Soul of a Nation: A Journey Below the Mason-Dixon to Understand the Soul of a Nation

Cuba: An American History: An American History

The ABCs of Black History

The Greatest Sentence Ever Written

Where's the Polar Bear?

Dead Center: In Defense of Common Sense: In Defense of Common Sense

America, U.S.A.: How Race Shadows the Nation's Anniversaries: How Race Shadows the Nation's Anniversaries