Mariam Gates holds a master's in education from Harvard University and is the creator of the renowned Kid Power Yoga. She is the author of the bestselling Good Night Yoga (more than 200,000 copies sold) and many other picture books for children. She lives in Northern California. For more, see mariamgates.com. Alison Hawkins started her career as a graphic designer. In addition to children's books, she's worked illustrating apparel, toys, and greeting cards. She lives in Durham, North Carolina. For more, see alisonhawkinsportfolio.com.