NICHOLAS DAY is the author of The Mona Lisa Vanishes , winner of the Robert F. Sibert Award and the Boston Globe - Horn Book Award for nonfiction. He is also the author of the picture book Nothing, which received three starred reviews, and the adult narrative nonfiction title, Baby Meets World. He has written regularly for Slate; his work has also appeared in the Atlantic , the New York Times, and the Washington Post, among other publications. He lives in Western Massachusetts with his family. HALA TAHBOUB is a children's book writer and illustrator. She started her creative journey as an architect and interior designer. She won the SCBWI Canada East chapter's Storyteller Award for Illustration in 2019, and she was the SCBWI's December Featured Illustrator in 2020.

Hala believes in kindness, coffee, chocolate, and in the immense power of stories. She lives in Montreal.