Books like Secrets to the Grave
Tami Hoag
Secrets to the Grave is 449 pages, about 8 hours 14 minutes at 250 words a minute.
12 books to read next
How long each takes
Gone Girl 8.7 h 
Killing Floor 9.2 h 
Guest List 6.2 h 
The Housemaid Is Watching 7.3 h 
Heat Lightning 7.6 h 
The Seven Deaths of Evelyn Hardcastle 9.2 h 
The Sittaford Mystery 4.1 h 
Eve 3.8 h 
The Housemaid 6.2 h 
The Word Is Murder 7.3 h 
Play Dirty 9.3 h 
Never Lie 6.0 h Bar height shows length. Estimated at 250 words a minute.