The Scholastic School Market Edition of Harry Potter and the Sorcerer's Stone is an elusive edition as it was only sold through Scholastic book fairs in schools. When found, many of these editions appear in lack-luster condition owing to the fact that they were ordered by children. This book features unique artwork by Mary GrandPré which is only found on this book. Furthermore, this collection features possibly a unique edition which is signed by the illustrator; see Mary GrandPré signed editions for more information on her signature.