Engineer Anne Jankeliowitch has worked in nature conservation for the World Wildlife Fund and Greenpeace. Her previous books include 50 Ways to Save the Earth (Harry N. Abrams, 2008), Kids Who Are Changing the World (Sourcebooks Jabberwocky, 2014), and Pop-Up Luna (De la Martiniere jeunesse, 2018), also illustrated by Annabelle Buxton. She lives in France. Annabelle Buxton was born in Basingstoke, England, and studied at the Estienne school and the High School of Decorative Arts in Strasbourg. In 2011, she received the Young Talent Award from the Academy of Sciences of Arts and Arts of Alsace. Her artwork appears in exhibitions and comic strips, as well as in the book Pop-Up Luna (De la Martiniere jeunesse, 2018), also written by Anne Jankeliowitch.