What Is the Panama Canal?

What Were the Salem Witch Trials?

Where Is the Empire State Building?

What Was the Gold Rush?

What Was the Wild West?

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

What Was the Hindenburg?

NBA Finals

Who Was Dr. Seuss?

The Dream Keeper and Other Poems

What Was the Great Chicago Fire?

Dionysus

Where Is the Tower of London?

The Complete Book of Presidents & States, Grades 4 - 6

Who Was Isaac Newton?

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

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 Can a President Really Do?: A Good Answer to a Good Question

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