A genre of literature that combines fast-paced, adrenaline-fueled plots with elements of suspense and intrigue. Often involving elements of international intrigue, adult themes, and psychological complexities, these books captivate readers with intricate storylines, unexpected twists, and compelling characters. Typically, these narratives engage readers in a high-stakes world where they must unravel secrets, decode mysteries, and navigate thrilling scenarios, all while being immersed in a gripping, page-turning adventure.