Author Sam Baltrusis unleashed his latest book, “Haunted Hotels of New England,” on July 28, 2020. Purchase on Amazon.

Phantom footsteps echoing from empty rooms. Lights mysteriously turning on and off. Doors opening and closing by themselves. Sam Baltrusis, author of a dozen books including “Ghosts of Salem” and a featured expert on the Travel Channel’s “Hotel Paranormal,” has worked the graveyard shift at several haunted hotels where guests check in … but don’t check out.