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

Who Was Maurice Sendak?

Lives of the Presidents: Fame, Shame (and What the Neighbors Thought)

I Am John F. Kennedy (I Am #9)

What Was Hurricane Katrina?

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

Boy Overboard: the award-winning middle grade companion novel to Girl Underground

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

The Boy At the Back of the Class

Isaac Newton

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

What Was the San Francisco Earthquake?

Albert Einstein

NBA Finals

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

The Dream Keeper and Other Poems

What Is Immigration?: A Good Answer to a Good Question

Nelson Mandela: "No Easy Walk to Freedom"

Who Was Louis Armstrong?

A Kids' Guide to America's Bill of Rights