Books like Black Rainbow
Barbara Michaels
Black Rainbow is 368 pages, about 6 hours 45 minutes at 250 words a minute.
8 books to read next
How long each takes
The Ivy Tree 5.9 h 
Power Play 9.3 h 
The Time of the Hunter's Moon 7.0 h 
The Keeper of Lost Things 5.7 h 
The House at Riverton 10.9 h 
The Third Heiress 8.8 h 
Surrender 7.0 h 
Lie By Moonlight 7.1 h Bar height shows length. Estimated at 250 words a minute.