Books like Dean Koontz's Frankenstein
Dean Koontz, Ed Gorman
Dean Koontz's Frankenstein is 428 pages, about 7 hours 51 minutes at 250 words a minute.
10 books to read next
How long each takes
Frankenstein; or, The Modern Prometheus 4.4 h 
Bram Stoker's Dracula Omnibus 6.5 h 
Taltos 8.9 h 
The Feast of All Saints 11.7 h 
Violin 5.9 h 
Acceptance 6.5 h 
Frankenstein Unbound 3.4 h 
Ghost Walk 7.3 h 
The Three Impostors or The Transmutations 3.0 h 
Blasphemy 9.7 h Bar height shows length. Estimated at 250 words a minute.