Suggest some good books on ghosts, true stories the better

You Should Have Left, by Daniel Kehlmann.

Won't take you long, but it's pretty great.

Ghost Story by Peter Straub. See the film of the same name as well.

Heart-shaped box by Joe Hill

[Dmonline]

William W. Johnstone's Devil Series. Devil's Kiss, Devil's Heart, Devil's Touch. Good vs. Evil. God's Minions vs. Satan's Minions. Cat's vs. Dogs. Everything you thought wasn't real actually is. Great Reads.

M. R. James - Collected Ghost Stories.
Algernon Blackwood - Ancient Stories and Other Weird Tales.