Horror is a genre of literature that is designed to evoke feelings of fear, terror, and dread in the reader. It typically features supernatural or paranormal elements, such as ghosts, monsters, or otherworldly creatures, and often explores themes of death, violence, and the unknown. Horror books can range from subtle and psychological to graphic and gory, but they all share the common goal of scaring and thrilling their readers. Whether it's a classic ghost story or a modern slasher novel, horror books offer a unique and thrilling reading experience for those who enjoy being scared out of their wits.

Existentialist literature is a genre that explores the meaning and purpose of human existence, often through the lens of individual experience and subjective perception. These books often delve into themes of freedom, choice, and responsibility, and may challenge traditional notions of morality and societal norms. Existentialist literature can be introspective and philosophical, and may offer readers a unique perspective on the human condition and the search for meaning in a complex and often chaotic world.

If you're interested in downloading this list as a CSV file for use in a spreadsheet application, you can easily do so by clicking the button below. Please note that to ensure a manageable file size and faster download, the CSV will include details for only the first 500 books.