The product is a set of four hardcover books written by L. Ron Hubbard, published by Bridge Publications, Inc. The books are related to the topics of Scientology, religious history, self-help, body, mind & spirit, and are intended for young adults and adults. The set includes a book titled "Dianetics," which is sealed and new. The other three books are not specified. The set also includes a dust jacket and is written in English.