Books like Sister Margarita
Alex Stuart
Sister Margarita is 189 pages, about 3 hours 28 minutes at 250 words a minute.
6 books to read next
How long each takes
Love Is Dangerous 3.7 h 
Theft of a Heart 3.8 h 
Witches' Sabbath 3.5 h 
A Light To The Heart 4.7 h 
A Voice in the Dark 4.4 h 
Love on the Run 3.5 h Bar height shows length. Estimated at 250 words a minute.