The product is a set of hardcover dust jacket editions of books 2 and 3 in the All Souls Trilogy series by Deborah Harkness. The books are titled "Shadow of Night" and "The Book of Life" and were published by The Penguin Group in 2012 and 2014, respectively. These novels fall under the genres of fiction, with themes of occult and supernatural, fantasy/paranormal, romance/paranormal/vampires, thrillers/historical, and fantasy/historical. The books are intended for an adult audience and were written in English by the author Deborah Harkness.