The product is a collection of 6 hardback books from the Chris Ryan SAS Strike Back series, published by 5 coronet and 1 Century. The books are written in English and fall under the genre of war fiction, with a non-fiction subject focusing on history and military. One of the books is signed by the author, making it a special and collectable item for fans of Chris Ryan's work. These hardback editions are a must-have for collectors of military history and action-packed war fiction novels.thank you for looking