Revolutionary Robots in Space

Who Was Thomas Alva Edison?

Trailblazing Space Scientists

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

Secrets of Navajo Code Talkers

Who Is Bill Gates?

Blockchain and Cryptocurrency

Barbie Developer: Ruth Handler

Classic Codes and Ciphers

Who Was Alexander Graham Bell?

Digital Cryptology

Who Were the Wright Brothers?

Professional Cryptologists

Ethical Hacker

From Kingfishers to... Bullet Trains

Steve Jobs for Kids: A Biography of Steve Jobs Just for Kids!

What Was the Bombing of Hiroshima?

The Vlogger's Handbook: Love it! Live it! Vlog it!

William Wrigley Jr.: Wrigley's Chewing Gum Founder

Ray Kroc: McDonald's Restaurants Builder