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

Who Was Marco Polo?

Who Was Albert Einstein?

Kennedy's Last Days: The Assassination That Defined a Generation

Who Was Abraham Lincoln?

The Last Days of Jesus: His Life and Times

Who Was Martin Luther King, Jr.?

The Day the President Was Shot: The Secret Service, the FBI, a Would-Be Killer, and the Attempted Assassination of Ronald Reagan

Who Was Isaac Newton?

Lincoln's Last Days: The Shocking Assassination that Changed America Forever

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 Annie Oakley?

Who Was Anne Frank?

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

What Was Pearl Harbor?

Who Was Genghis Khan?

Children's Book of Philosophy

Who Was George Washington Carver?