Worth It Series Novels

Germany's U-Boat Campaign: Submarine Warfare That Nearly Defeated Britain

Germany's U-Boat Campaign: Submarine Warfare That Nearly Defeated Britain

The Battle of Caporetto: Italy's Greatest Defeat in World War I

The Battle of Caporetto: Italy's Greatest Defeat in World War I

The Battle of Passchendaele: The Third Battle of Ypres Explained

The Battle of Passchendaele: The Third Battle of Ypres Explained

Italy's Role in World War I: From Neutrality to Victory and Disillusionment

Italy's Role in World War I: From Neutrality to Victory and Disillusionment

Worth Everything (Worth It 4)

Worth Everything (Worth It 4) by Karen Erickson

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Worth the Challenge (Worth It 3)

Worth the Challenge (Worth It 3) by Karen Erickson

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Worth the Risk (Worth It 2)

Worth the Risk (Worth It 2) by Karen Erickson

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Worth the Scandal (Worth It 1)

Worth the Scandal (Worth It 1) by Karen Erickson

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Environmental Impact of the Age of Discovery: How Crops, Animals, and Ecosystems Changed the World

Environmental Impact of the Age of Discovery: How Crops, Animals, and Ecosystems Changed the World

Mapping the World: Evolution of Global Cartography in the 15th–17th Centuries

Mapping the World: Evolution of Global Cartography in the 15th–17th Centuries

The Scientific Revolution and Its Connection to Exploration: How Science Transformed the Age of Discovery

The Scientific Revolution and Its Connection to Exploration: How Science Transformed the Age of Discovery

Cultural Exchanges and Conflicts During the Age of Discovery: Language, Religion, and Identity Transformations

Cultural Exchanges and Conflicts During the Age of Discovery: Language, Religion, and Identity Transformations