Where Are the Great Pyramids?

What Was Hurricane Katrina?

Where Is the Taj Mahal?

What Was Pompeii?

Bomb: The Race to Build--and Steal--the World's Most Dangerous Weapon (Newbery Honor Book & National Book Award Finalist)

What Is Earth Day?: A Good Answer to a Good Question

NBA Finals

What Was the Great Chicago Fire?

The Dream Keeper and Other Poems

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

Where Is the Empire State Building?

What Were the Salem Witch Trials?

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

What Was the Hindenburg?

What Was the Great Depression?

Flying to the Moon: An Astronaut's Story

What Were the Twin Towers?

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

What Was Ellis Island?