Kirsten Hall is a children's author and literary agent. After getting an MA in early childhood education from NYU, she taught both preschool and elementary school. Today, Kirsten is the sole proprietor of Catbird Productions, a book packager and boutique literary agency. She currently resides in New York City. Aki, also known as Delphine Mach, is a writer and illustrator of children's books. She made this book while pregnant, vetting each stage as she illustrated! Also a food blogger and illustrator, she enjoyed illustrating all the food comparisons. Originally from Paris, France, she lived in Melbourne, Australia for years, and currently lives in Berlin, Germany.