What Was D-Day?

Where Is Alcatraz?

What Was Ellis Island?

What Was the Boston Tea Party?

What Was Pompeii?

Who Was Maurice Sendak?

Where Is the Great Wall?

Who Was Galileo?

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

The One That Got Away - Junior edition

What Was Hurricane Katrina?

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

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

Stay Where You Are And Then Leave

Who Pays Taxes?: A Good Answer to a Good Question

NBA Finals

What Is the Role of the White House Press Secretary?: A Good Answer to a Good Question

What Is Rock and Roll?

The Dream Keeper and Other Poems