Linda Sue Park
Linda Sue Park is an American author of teen fiction. Park published her first novel, Seesaw Girl, in 1999. She has written six children’s novels and five picture books. Park's work achieved prominence when she received the prestigious 2002 Newbery Medal for her novel A Single Shard. She has written the ninth book in the 39 Clues series, Storm Warning, published on 25 May 2010.