Lincoln: A Photobiography

Hitler's Last Days: The Death of the Nazi Regime and the World's Most Notorious Dictator

The Voice that Challenged a Nation: Marian Anderson and the Struggle for Equal Rights

Who Was Albert Einstein?

Eleanor Roosevelt: A Life of Discovery

Who Was Marco Polo?

Immigrant Kids

Who Was Abraham Lincoln?

Who Was Martin Luther King, Jr.?

Who Was Isaac Newton?

Who Was Helen Keller?

Who Was Gandhi?

Who Was Thomas Jefferson?

Who Was Annie Oakley?

Who Was Anne Frank?

The Plot to Kill Hitler: Dietrich Bonhoeffer: Pastor, Spy, Unlikely Hero

Children's Book of Philosophy

Who Was Genghis Khan?

Who Was George Washington Carver?

Who Was Blackbeard?