Astrophysics for Young People in a Hurry

Who Was Marco Polo?

Timelines of Everything

What Was the Gold Rush?

Who Was Charles Darwin?

You Choose: The Oregon Trail: An Interactive History Adventure

Space A Visual Encyclopedia

Who Was Neil Armstrong?

The Road to There: Mapmakers and Their Stories

Death on the River of Doubt: Theodore Roosevelt's Amazon Adventure

Basher Science: Astronomy: Out of this World!

Accidental Archaeologists: True Stories of Unexpected Discoveries

The Whydah: A Pirate Ship Feared, Wrecked, and Found

Eyewitness Universe

Magellan: Over the Edge of the World

Gravity: Investigating the Force, Mass, and Attraction of Physical Bodies

Knowledge Encyclopedia Space!: The Universe as You've Never Seen it Before

Pranklab: Practical science pranks you and your victim can learn from

The Split History of Westward Expansion in the United States: A Perspectives Flip Book

The Young Investigator's Guide to Ancient Aliens