What is it with the Hoosier state that inspires authors from all over the world to dredge up their darkest visions to make readers tremble and shudder? Could it be the ghost towns that dot the landscape? Or do we fear the living ghosts that walk its cities, large and small, that breed and fester on dashed hope and creeping dread? Or do their dark writings mirror the thoughts we thought we had buried deep beneath layers of civility, exposing them for...