Radiant: Fifty Remarkable Women in Church History

The Bondage of the Will

John Knox: Stalwart Courage (3rd Edition)

Trial and Triumph: Stories from Church History

Heralds of the Reformation: Thirty Biographies of Sheer Grace

Black and Tan: Essays and Excursions on Slavery, Culture War, and Scripture in America

Huguenot Garden

For Christ's Crown: Sketches of Puritans and Covenanters

Grace Upon Grace: Nine Decades of Stories from a Farm Boy, Midshipman, Officer, and Evangelist

Makers of History: Nero

Scottish Seas

Makers of History: Alfred the Great

Makers of History: Alexander the Great

Anne Bradstreet: Passionate Femininity

Makers of History: Cyrus

Makers of History: Hannibal

Makers of History: William the Conqueror

Makers of History: Julius Caesar

Makers of History: Elizabeth I

Makers of History: Cleopatra

Makers of History: Xerxes

Memoirs of a Traveling Economist

The White Horse King: The Life of Alfred the Great

Faith of Our Fathers: A Study of the Nicene Creed

Through the Veil

Writing Trails in American History

Writing Trails with Men of Science

Writing Trails with Great Composers