(English) Heo Goo graduated from the Department of Painting at Seoul National University and has been working on many illustrations for children’s books. Deep in his heart, he still has a passion for fine arts. He engaged in all kinds of work for advertisements and publicity projects and is now concentrating on painting. He has painted witty and heartwarming illustrations for many books, including What Is the Temperature of the Heart?; My First Prize; Mimi’s Diary; Help!; The Salt Merchant Eulbul, Who Became the King; Mangil’s Spring; Uncle Yonggu; Mr. Golden Toad’s First Lesson; Your Face Is Red; I Want to Be a Fox; Help, Dr. Saury!; Stupid Mr. Mole and the King Thief; A Talking Black Rock; The Dream of a Mustard Seed; and How Dash Bak Plays.