Who Was Dr. Seuss?

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

Where is the Bermuda Triangle?

Who Was Theodore Roosevelt?

What Was Pearl Harbor?

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

Who Were the Wright Brothers?

Who Was Neil Armstrong?

Who Was Babe Ruth?

What Was the Titanic?

The Boys in the Boat (Young Readers Adaptation): The True Story of an American Team's Epic Journey to Win Gold at the 1936 Olympics

Where is Walt Disney World?

What Was the Hindenburg?

Flesh and Blood So Cheap: The Triangle Fire and Its Legacy

What Was the March on Washington?

What Was the Great Depression?

Children of the Dust Bowl: The True Story of the School at Weedpatch Camp

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

The Finest Hours (Young Readers Edition): The True Story of a Heroic Sea Rescue

What Was the San Francisco Earthquake?