Presidents & Heads of State

A Man of the People

Louis Botha

Zulu Kings and their Armies

Why Lincoln Laughed

Louise, Queen of Prussia

Capitol HillBilly Elegy

James Madison and the Making of America

Khomeini's Ghost

Lincoln

Chief of Staff

Sex Lives of the Presidents

Buddha's Child

Conversations with Power

“Great-Heart”

The Story of Abraham Lincoln

Lineage, Life and Labors of José Rizal, Philippine Patriot

The Ladies of the White House; Or, in the Home of the Presidents

On the Border with Andrew Jackson

Four Great Americans: Washington, Franklin, Webster, Lincoln

Theodore Roosevelt