This lot of 9 hardcover books from the "Secrets of Mary's Bookshop Guideposts" series is perfect for fans of fiction, crime, thriller, adventure, and mystery genres. The books, published by Guideposts in 2014, are in English and intended for an adult audience. Each novel in the series offers a captivating narrative that will keep readers engaged and entertained. With a mix of crime, thriller, adventure, and mystery elements, these books are sure to provide a thrilling reading experience for fans of the genre.