Books like Promises in Death
Nora Roberts
Promises in Death is 448 pages, about 8 hours 13 minutes at 250 words a minute.
12 books to read next
How long each takes
14Th Deadly Sin 7.0 h 
Rough Country 7.1 h 
The Executioner 8.8 h 
The 6Th Target 7.2 h 
The Doll's House 8.0 h 
Tombstone Courage 7.6 h 
The Surgeon 6.8 h 
Murder Is Easy 4.1 h 
Sleeping Doll 10.3 h 
Demolition Angel 7.1 h 
15Th Affair 7.3 h 
Jack & Jill 7.9 h Bar height shows length. Estimated at 250 words a minute.