Thriller Novels are a subgenre of literature, primarily focusing on suspense, tension, and excitement, often involving crime or espionage. This category includes books that are part of the mystery and thriller genre, which are largely characterized by their plot-driven narratives and elements of surprise or unexpected twists. Non-fiction books that fall within this category are usually based on real-life events, providing an in-depth exploration of thrilling, suspenseful or dramatic occurrences. Memoirs within this category typically recount personal experiences of the author, particularly those involving suspenseful, exciting, or dangerous situations.