The product is a vintage 1985 leatherette Bantam edition of Agatha Christie's "Endless Night" from the Agatha Christie Mystery Collection. This hardcover novel, measuring 8.6 inches in length and 5.6 inches in width, features a faux leather binding and is part of the Crime & Thriller and Mystery genres. With 199 pages, this detective story is intended for an adult audience and is a classic piece from the 1980s era.