Yoo Junjae (M), studied Fiber Arts at Hongik University. He wrote and illustrated picture books including My Ball, In Mom's Dream, Balance and The Blue Wave and illustrated children's stories including The King of Boys, My Little Brother Is on Mars, The Can School and The Boy Protecting Atomics Earth, as well as the children's poem collection Cold Goose. For his work Animal Farm, Yoo won an award at the 15th NOMA Concours in 2007, and he was selected as the Illustrator of the Year at the Bologna Children's Book Fair for The Blue Wave in 2015.