In their first book-length collaboration, World Horror Grandmaster Award winner and Bram Stoker Award nominee Mary SanGiovanni take readers on a road trip across horror fiction's vast and disturbing landscape, incorporating the quiet, the cosmic, the supernatural, the surreal, and the splatter. From a basement in Baltimore were a writer uncovers a gruesome secret that threatens to rip his world apart, to a small town where trees hold a terrifying power, to a convention in Colorado gone terribly awry, to the golden shores of San Francisco where a young widow discovers she still has more to lose, stretches a dark and twisted trail of THINGS LEFT BEHIND.