Christine Taylor-Butler (she/her) is the author of more than eighty fiction and nonfiction books for children. A graduate of MIT, she holds degrees in both civil engineering and art & design. She has served as a past literary awards judge for We Need Diverse Books and the Society of Midland Authors. She is an inaugural member of SteaMG, an alliance of middle grade science fiction authors. You can visit her online at christinetaylorbutler.com and follow her on Twitter @christinetb. 

Chelsea Clinton (she/her) is the #1 New York Times bestselling author of She Persisted, She Persisted Around the World, She Persisted in Sports, She Persisted in Science, Don't Let Them Disappear, It's Your World and Start Now!, as well as Grandma's Gardens and The Book of Gutsy Women, which she wrote with Hillary Clinton, and Governing Global Health with Devi Sridhar. Chelsea earned a master’s degree in public health from Columbia University’s Mailman School of Public Health, where she is now an adjunct assistant professor, and a PhD in international relations from Oxford University. She is also the Vice Chair of the Clinton Foundation, where she works on many initiatives, including those that help empower the next generation of leaders. She lives in New York City with her husband, Marc, their three children and their dog, Soren.