The product is a collection of novels by Hiroyuki Itsuki, titled "Farewell, Moscow Gangsters". This set includes all the works of fiction by the author, focusing on gripping stories set in the world of gangsters in Moscow. Perfect for fans of thrilling and action-packed novels, this collection is a must-have for any book lover interested in the genre. With a mix of suspense, intrigue, and engaging characters, this set is sure to captivate readers and keep them entertained for hours on end.