Books like The Vampire Viscount
Karen Harbaugh
The Vampire Viscount is 224 pages, about 4 hours 6 minutes at 250 words a minute.
12 books to read next
How long each takes
Soulless 5.5 h 
The Masqueraders 5.3 h 
Seeking Persephone 4.9 h 
The Undaunted Bride 4.1 h 
Powder and Patch 3.8 h 
The Ugly Duchess 6.9 h 
The Counterfeit Betrothal 4.0 h 
The Lost Duke of Wyndham 6.9 h 
One Dance with a Duke 7.3 h 
Blood Feud / The Capture 5.7 h 
The Irish Rake 4.1 h 
Dangerous 6.5 h Bar height shows length. Estimated at 250 words a minute.