The author of many children's/young adult fantasy books,. He won the Newbery Medal for his book The High King, as well as many other awards. He lives in Drexel Hill in Philadelphia, PA. Before writing books he was a cartoonist and layout editor. Some of his best know books are those in the The Prydain Chronicles: The Book of Three, The Black Cauldron, The Castle of Llyr, Taran the Wanderer and the High King.