Books like I'll Be Gone in the Dark
Michelle McNamara
I'll Be Gone in the Dark is 360 pages, about 6 hours 36 minutes at 250 words a minute.
12 books to read next
How long each takes
Zodiac Unmasked 9.6 h 
Mindhunter 7.3 h 
Obsession 7.0 h 
Chasing the Devil 5.9 h 
I Have Lived in the Monster 4.1 h 
Green River, Running Red 9.2 h 
Journey Into Darkness 7.0 h 
Chaos 9.7 h 
Zodiac 6.5 h 
Angel of Darkness 7.0 h 
The Road Out of Hell 5.2 h 
The Devil in the White City 9.1 h Bar height shows length. Estimated at 250 words a minute.