Books like Initiation
L. J. Smith
Initiation is 316 pages, about 5 hours 48 minutes at 250 words a minute.
12 books to read next
How long each takes
The Spook's Apprentice 6.2 h 
Summer of Fear 4.0 h 
Awakening 3.5 h 
The Calling 3.5 h 
Blood Witch 3.8 h 
Seeker 3.2 h 
A New Darkness 6.5 h 
Slither 6.2 h 
Coraline 3.2 h 
Grimalkin, the Witch Assassin 6.1 h 
Origins 3.4 h 
City of Bones 9.4 h Bar height shows length. Estimated at 250 words a minute.