Book 2, 3, & 4 are in original plastic. The books seem to be in excellent condition under the plastic. No mildew smell that I notice. The product is a set of four hardcover books titled "The Magical Philosophy" by authors Melita Denning & Osborne Phillips. Published by Llewellyn Publishers in 1974, these first edition books delve into the subject of magic philosophy. The books are written in English and originate from the United States, making them a valuable addition to any collector's library of antiquarian and collectible materials. With a focus on philosophy and magic, these books offer a unique perspective on the topic and are sure to be a fascinating read for those interested in the occult.