She invents crazy contraptions, solves big sums, and reads all the books in the library. Although she may look like an ordinary little girl, Ada Lovelace is about to change the world. Zoë Tucker and Rachel Katstaller tell the amazing true story of a little girl who didn't go to school, but grew up to create the world's first computer program

Zoë Tucker is passionate about picture books and spends (almost) every day in the world ofchildren's publishing. Working as an art director and designer, she has the opportunity to workwith authors, artists, and publishers from all over the world. Zoë lives and works on the south coast of England, with her husband, Adam, and her cat, Murray, and she uses a computer (almost) every day! Ada and the Number-Crunching Machine is her debut as a picture book author. Rachel Katstaller is an illustrator from tiny tropical El Salvador. After attending the Summer Residency in Illustration at the School of Visual Arts in New York City in 2014, Rachel decided to pursue her lifelong dream of becoming a children's book illustrator. Since then, Rachel has relocated to the Austrian Alps along with her cat, Hemingway.