Award-winning author Laurie Wallmark writes picture book biographies of women in STEM. Her titles include Code Breaker, Spy Hunter: How Elizebeth Friedman Changed the Course of Two World Wars; Ada Byron Lovelace and the Thinking Machine, which received four starred reviews and a Cook Prize Honor; Grace Hopper: Queen of Computer Code; Hedy Lamarr's Double Life, a Crystal Kite Winner and Cook Prize Honor recipient; and others. Laurie has an MFA in Writing from VCFA and is a former software engineer and computer science professor. You can find Laurie online at www.lauriewallmark.com and on twitter: @lauriewallmark and Instagram: @lauriewallmark Adelina Lirius is an illustrator based in Stockholm, Sweden. She loves painting imaginary scenes, portraying nature, and depicting the different cultures she grew up with. Adelina is the illustrator of a picture book adaptation of The Secret Garden; The Fort by Laura Perdew; and I, Too, Am Mozart by Audrey Ades, which received a starred review from School Library Journal. Visit her on Instagram @adalinaillustration.