Complex sentence: Chesnutt had originally submitted a proposed collection that included only two or three conjure tales, but the editors felt that the conjure tales were the best and most innovative part of the collection and asked him to write more in order to have enough for a full book.
Split into simpler sentences: Chesnutt had originally submitted a proposed collection that included only two or three conjure tales, but the editors felt that these were the best and most innovative part of the collection. They asked him to write more in order to have enough for a full book.