The 21st Century Junior Library Extraordinary Engineering series explains how important feats of engineering are accomplished. Roller coasters examines the engineering concepts that make… More →

The rosy wolf snail was imported to help control the population of the African land snail, but the cannibal snail has quickly become a problem. This series highlights the innovative… More →

In Rover, readers will learn about what a rover does to help scientists explore space. Text written in simple sentences that help develop word recognition and improve reading skills. More →

Everything we know about Mars's surface has come from rovers. These trusty robotic vehicles roll across the planet taking samples, testing new technology, and sending back photos for… More →

The 21st Century Junior Library Women Innovators series highlights the contributions of women to STEM fields. Sarah Mather and Underwater Telescopes examines the life of this important woman… More →

In Satellite, readers will learn about what a satellite does to help scientists explore space. Text written in simple sentences that help develop word recognition and improve reading skills. More →

Do you know how to use a savings account to your advantage? This book introduces readers to putting aside money for later. Real world examples help readers learn the importance of math skills More →

Scarcity in economics is when there is not enough of a good, and the demand for the good is still high. In this book, readers learn about the causes and effects of scarcity, including facts… More →