Kim Yu-dae always takes a sketchbook on her travels and feels happy when drawing insects or animals. She is a first-prize winner of the Seoul Picture Book Illustration Competition and has received honorable mention at the Korean Publishing Arts Competition. She has illustrated such books as Revenge of the Mutt; Revenge of the Woodpecker; Second Grade Class 3 is the Happiest Class; I’ll Be Sensitive, Too; A Manual For Acorns; Miss Beanface Smiled, The Talented Friends, Teacher Cookies, and Marbles Roll Off.