Books like Dean Koontz's Frankenstein
Dean Koontz
Dean Koontz's Frankenstein is 352 pages, about 6 hours 27 minutes at 250 words a minute.
12 books to read next
How long each takes
Frankenstein; or, The Modern Prometheus 4.4 h 
Dracula 7.0 h 
Frankenstein Unbound 3.4 h 
Ghost Walk 7.3 h 
Daemon 9.9 h 
The Butterfly Garden 5.6 h 
The Locked Door 5.7 h 
Suicide Med 9.6 h 
The Eyes of the Dragon 7.0 h 
Damián 8.7 h 
Satan's Affair 3.5 h 
Ward D 5.9 h Bar height shows length. Estimated at 250 words a minute.