Local author Melba Goodwyn will sign copies of “Ghost Worlds: A Guide to Poltergeists, Portals, Ecto-Mist and Spirit Behavior” on Saturday at Books-a-Million.

The book signing will be 2 p.m. to 6 p.m.

Goodwyn is a local paranormal investigator.

“Ghost Worlds” is her first book.

The event is free and open to the public.