Books like Serafina and the Black Cloak
Robert Beatty
Serafina and the Black Cloak is 320 pages, about 5 hours 52 minutes at 250 words a minute.
12 books to read next
How long each takes
Dog Man 4.4 h 
Witch 4.1 h 
The Eternal Dawn 8.8 h 
Small Spaces 4.1 h 
The Little Prince 1.8 h 
The Mystery of the Secret Room 2.9 h 
City of Lost Souls 10.9 h 
Coraline 3.2 h 
The Switch 3.5 h 
Unseen 6.1 h 
Demonata #4, The: Bec 4.7 h 
Her Evil Twin 3.3 h Bar height shows length. Estimated at 250 words a minute.