It’s that time of year. Halloween is just around the corner and with it, thoughts turn to all manner of grotesquerie and the macabre. For horror fans it’s a particularly intriguing time of year, a time when virtually everyone joins in on our love for the supernatural, for creeping terrors, and for things that go bump in the night. Horror has long been a fixture of the literary landscape, and every year a host of horrifying reads land on bookshelves and bestseller lists. Based on the sheer volume alone, it’s understandable if a few scares slipped past your notice. Much like any other genre, there are a host of underrated thrillers lurking in the figurative shadows. The books below are lesser-known (but no less terrifying) reads sure to keep you up at night. Some are from new authors on the rise, others are one-time classics lost to the shuffle of time, and a few are underrated gems from well-known authors. Lock those closet doors, take a quick look under your bed, maybe switch on that night-light, and enjoy.