David Crockett: A Biography for Young Americans

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

Four American Pioneers: A Book for Young Americans

Who Was Albert Einstein?

Daniel Boone: A Biography for Young Americans

Who Was Jesus?

Kit Carson: A Biography for Young Americans

Who Was Marco Polo?

Who Was Abraham Lincoln?

Who Was Martin Luther King, Jr.?

Who Was Isaac Newton?

Bomb: The Race to Build--and Steal--the World's Most Dangerous Weapon

Stay Where You Are And Then Leave

Who Was Gandhi?

Who Was George Washington?

Who Was Annie Oakley?

Who Was Genghis Khan?

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

What Was Pearl Harbor?

The Day the World Went Nuclear: Dropping the Atom Bomb and the End of World War II in the Pacific