The Sweep Series by Cate Tiernan is a complete set of 5 paperback books that follows the story of a young girl named Cassandra "Cassie" Blackwood who discovers she is a witch and embraces her powers. The novels are aimed at young adults and feature themes of magic, fantasy, and Wicca. Published by Speak in the 2000s, this fiction series is perfect for those interested in supernatural and coming-of-age stories. With a set of 15 books in total, this collection offers hours of enchanting reading for young adult fans of the genre.