Books like When the Duke Returns
Eloisa James
When the Duke Returns is 375 pages, about 6 hours 53 minutes at 250 words a minute.
12 books to read next
How long each takes
The Corinthian 4.5 h 
A Civil Contract 7.2 h 
The Grand Sophy 6.3 h 
Three Little Secrets 8.4 h 
Frederica 7.0 h 
The Secrets of Sir Richard Kenworthy 7.0 h 
Charity Girl 4.7 h 
At Last Comes Love 7.1 h 
Persuasion 4.9 h 
The Heir 7.0 h 
The Viscount Who Loved Me 7.3 h 
The Bargain Bride 6.8 h Bar height shows length. Estimated at 250 words a minute.