Secret Spy Gear

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

Who Was Nelson Mandela?

Secret Spy Hacks

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

Cutting-Edge Hubble Telescope Data

Electrician Answers: Objective Question Answers

Cutting-Edge Augmented Reality

What Was Pearl Harbor?

Breakthroughs in Stars Research

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

Secret Spy Codes and Messages

Sonic the Hedgehog

Cutting-Edge Virtual Reality

The Boy Who Harnessed the Wind: Young Readers Edition

Thomas Edison

Who Was Paul Revere?

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

Permanent Record (Young Readers Edition): How One Man Exposed the Truth about Government Spying and Digital Security

The Untold History of the United States, Volume 1: Young Readers Edition, 1898-1945