Mariam Gates has a master's degree in education from Harvard University. Through her bestselling children's picture books and Kid Power Yoga classes, she is a well-known innovator of childhood yoga instruction. Mariam resides in Northern California. Learn more at mariamgates.com. Sarah Jane Hinder is a children's yoga instructor and an author and illustrator of many bestselling children's picture books and board books. She lives in Manchester, England. For more information, visit sarahjanehinder.

com. Sarah Jane Hinder, illustrator, creates acrylic artwork for a variety of children's books, including Good Morning Yoga, The Three Little Pigs, and The Elves and the Shoemaker. She lives in Manchester, England, with her husband and two chihuahuas. See sarahjanehinder.com.