“Behind every man now alive stand 30 ghosts, for that is the ratio by which the dead outnumber the living.” - Arthur C. Clarke

Ghost stories may seem silly by the light of day, but in the dark of night they become altogether more believable. Whether you believe in things that go bump in the night or not, these books can send a shiver down your spine and make you pull the covers over you a little closer when you go to bed.