Books like Hostage to the Devil
Malachi Martin
Hostage to the Devil is 477 pages, about 8 hours 45 minutes at 250 words a minute.
12 books to read next
How long each takes
Glimpses of the Devil 5.0 h Cronista All'inferno 5.5 h 
Understanding Your Worst Enemy 2.4 h 
Werewolf 4.1 h 
Beware the Night 5.8 h 
Of Love and Other Demons 3.4 h 
Beware of Angels 3.5 h 
Legion 4.9 h 
Michelle Remembers 5.7 h 
An Exorcist 3.7 h 
I, Lucifer 4.9 h 
Demons 4.7 h Bar height shows length. Estimated at 250 words a minute.