Originally from South Korea, Il Sung Na studied illustration at Kingston University in London. A Book of Sleep was his first picture book, followed by The Thingamabob; Snow Rabbit, Spring Rabbit; Hide & Seek; A Book of Babies; Welcome Home, Bear; The Opposite Zoo; and Bird, Balloon, Bear. To learn more about Il Sung Na and his work, please visit IlSungNa.com and follow him at @ilsungna.