The Walking Dead

There are many stories of vampires, mummies ghosts, and revenants, but the scariest undead storymaybe the scariest story there ever wasis about none of them. In The Monkeys Paw by W.W. Jacobs (1902), a family gets some wishes, and with their first wish they accidentally kill their son. So they wish him alive again. And suddenly on the front door there is a knock, so quiet and stealthy as to be scarcely audible

Look, just go read the story!