Neil Gaiman has written highly acclaimed books for both children and adults and is the first author to have won the Carnegie and Newbery Medals for the same work - The Graveyard Book. His ground-breaking picture books include The Wolves in the Walls. The L.A. Times has described his multi-million-selling graphic novel series Sandman as "the greatest epic in the history of comic books". Many of his books, including Coraline and Stardust, have been made into films. In 2011 he wrote The Doctor's Wife episode for Doctor Who and appeared as himself in The Simpsons.