The product is a first edition large print hardcover book titled "Postern of Fate" by Agatha Christie, published in 1974 by G. K. Hall & Co. This vintage book falls under the genre of fiction, specifically in the subgenres of mystery and detective, with a focus on women sleuths and traditional detective work. It features large print and is ex-library, making it a unique addition to any book collection, particularly for fans of Agatha Christie and classic mystery literature from the 1970s era. With 471 pages, it offers a substantial amount of engaging storytelling and detective intrigue for readers.