Serbian inventor Nikola Tesla was a revolutionary scientist whose greatest invention, A/C current, powers almost all of the technological wonders in the world today.

"Describes how Frank Zamboni created the ice-resurfacing machine, and how it affected the world of ice-based sports"--Provided by publisher.

The My Itty-Bitty Bio series are biographies for the earliest readers. This book examines the life of Ayah Bdeir, female founder and CEO of littleBits, in a simple, age-appropriate way that will help children develop word recognition and reading skills.

An introduction to the life and career of the inventor of the telephone, who was also accomplished in many other ways.

This picture-book biography explains how Farnsworth held on to his dream to develop television and the scientific concepts behind it.

"Explores the life of Ellen Ochoa, including her childhood in California, her rise through the ranks in NASA, several space shuttle missions, and becoming the first Latino woman in space"--Provided by publisher.

Meet Alexander Graham Bell --- pioneering educator and inventor of the telephone. The story of Aleck's world-changing invention and his struggle to perfect it is told in level-appropriate language and detailed illustrations. A Level 3 first reader.

"Meet Josephine Garis Cochrane: entrepreneur, innovator, girlboss. Washing dishes is a pain, it leaves Josephine's cups cracked, her dishes dinged, and her chowder bowls chipped. She'd rather be picking flowers, frosting cakes, or playing piano than dealing with cracked crockery. What to do about a chore that's icky, destructive, and time-consuming? Josephine tackles this task the modern way: she makes a machine to do it for her! She tinkers and tests,...