Perhaps you'd like to read about reported hauntings right here in Indiana as Halloween approaches. Even if you don't believe in ghosts, these books can be entertaining and spooky reads perfect for the season.
Haunted Travels of Indiana by Mark Marimen
Encyclopedia of Haunted Indiana by Nicole R. Kobrowski
Haunted Indiana and Haunted Indiana 2, 3 and 4 by Mark Mariman
Haunted Hoosier Trails and More Haunted Hoosier Trails by Wanda Lou Willis
Haunted Backroads: Central Indiana: and Other Stories by Nicole R. Kobrowski
Ghost Hunter's Guide to Indianapolis by Lorri Sankowsky
Haunted Indianapolis: And Other Indiana Ghost Stories by Tom Baker & Jonathan Titchenal