2.) Eerie thumps and crashes are heard in empty rooms.
3.) A ghostly figure may glide from room to room through walls.
4.) Mysterious footprints appear of their own accord.
5.) There may be blood stains that no scrubbing can remove.
6.) Hidden bones may suggest a violent death in the house.
7.) Ghostly hands may play a creepy melody on an old piano.
8.) If a clock strikes 13, you can be sure there is a ghost around.