Question: Which company did the self-traught illustrator of a children's book series, based on twelve-year-old orphaned twins who cause mischief and mayhem in their sickly sweet town, Nod's Limb, co-found?
Sentence (from "Edgar &amp; Ellen"): Edgar & Ellen, created by Simon & Schuster Children's Publishing, is based on twelve-year-old orphaned twins who cause mischief and mayhem in their sickly sweet town, Nod's Limbs.
Relevant evidence: Yes