Who Was Helen Keller?

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

Who Was Thomas Jefferson?

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

What Was Pearl Harbor?

Stay Where You Are And Then Leave

What Was the Great Chicago Fire?

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

What Was the Great Depression?

What Was World War I?

Courage & Defiance: Stories of Spies, Saboteurs, and Survivors in World War II Denmark (Scholastic Focus)

Who Were the Navajo Code Talkers?

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

What Is Juneteenth?

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

What Was Hurricane Katrina?

Superpower Dogs: Halo: Disaster Response Dog

What Is Congress?

No Surrender Young Readers' Edition: A Father, a Son, and an Extraordinary Act of Heroism