The product is a lot of two first edition books by author Marcus Attwater, part of the "Di Collin's Mystery" series. The books are in English and published by Marcus Attwater Publishing in the United States. The genre of the books is mystery, making them an intriguing read for fans of the genre. With the author's name on the books and the publisher being listed as Marcus Attwater Publishing, it seems these books are a valuable addition to any book collection.
