Explore the fascinating history of the computer, and the people who made them, in this beautifully illustrated guide for children by bestselling author and illustrator Rachel Ignotofsky.

Rachel Ignotofsky is a New York Times bestselling author and illustrator who is proud to share stories of amazing women with the world. She grew up in New Jersey, USA on a healthy diet of cartoons and dessert before graduating with honours from the Tyler School of Art's graphic design programme in 2011. Now Rachel lives in beautiful Missouri, USA, where she spends all day drawing and learning as much as she can. She has a passion for taking dense information and making it fun and accessible, and is dedicated to creating educational works of art.