The Bookworm Sez: “Presence: The Strange Science and True Stories of the Unseen Other” by Ben Alderson-Day, Ph. D.0
Knock-knock. “Who’s there?” is a common answer, if you’re playing with a 7-year-old but if the knock is for real, you’ll want to peek through a peep-hole or window to see who’s waiting to come in. So what if there’s no one — and nothing — there? Don’t answer it until you’ve read “Presence” by