Books like Alpha Night
Nalini Singh, Angela Dawe
Alpha Night is 400 pages, about 7 hours 20 minutes at 250 words a minute.
12 books to read next
How long each takes
Knight of a Trillion Stars 7.3 h 
Lovescape 7.7 h 
Guilty Pleasures (Anita Blake Vampire Hunter) 5.0 h 
Firestar 8.2 h 
Of Blood and Bone 9.4 h 
Time's Convert 8.5 h 
Bad Moon Rising 6.5 h 
Certain Dark Things 5.9 h 
Storm Cursed 6.8 h 
The Haunted Hotel 3.5 h 
Dark Illusion 7.9 h 
The Rules of Magic 7.3 h Bar height shows length. Estimated at 250 words a minute.