Books like The Greek's Royal Mistress
Jane Porter
The Greek's Royal Mistress is 185 pages, about 3 hours 24 minutes at 250 words a minute.
12 books to read next
How long each takes
Ugly Love 6.3 h 
Confess 5.9 h 
The Kiss Quotient 6.2 h 
The Greek Tycoon's Convenient Mistress 3.5 h 
It's in His Kiss 6.8 h 
The Concubine 4.0 h 
Because of Miss Bridgerton 5.6 h 
Tamed By Her Husband 3.5 h 
Cotillion 6.2 h 
The Light We Lost 6.0 h 
A Secret Disgrace 3.5 h 
Life Is What You Make It 3.8 h Bar height shows length. Estimated at 250 words a minute.