Libby Jackson is one of Britain’s leading experts in human spaceflight, having spent over a decade working at the forefront of the field. Space was her childhood passion and after completing degrees in physics at Imperial College London and astronautics and space engineering at Cranfield University, she has worked in the space industry ever since. Libby is passionate about sharing stories of human spaceflight and encouraging young people to follow their passions in life. Libby is the author of Space Explorers and a frequent contributor on television and radio, including Stargazing Live, The Big Think: Should We Go To Mars?, and Astronauts: Do You Have What It Takes?.

Léonard Dupond graduated from Ecole de Condé Paris in 2015. He has since illustrated three books for La Martinière Jeunesse, designed eighteen book covers, and worked for various institutional and commercial clients. Léonard is represented by Agent 002 in France and Garance Illustration Agency in the United States. He currently lives and shares a workspace in Lille, France.