Tor Seidler is an American author of children's literature. Many of his books feature anthropomorphic animals. Mean Margaret was nominated for a National Book Award, The Wainscott Weasel was named a Notable Children's Book by the American Library Association, and A Rat's Tale was named Best Book of the Year by Publishers Weekly. In 1998, A Rat's Tale was adapted into a puppet film by Augsburger Puppenkiste and distributed by Warner Bros. Family Entertainment. 20th Century Fox Animation and Blue Sky Studios planned to adapt The Wainscott Weasel into a movie, which started development in 2003. However, Fox shelved the concept in 2006.