James Ellroy books in order
16 books in the catalogue, about 140 hours of reading in all; the shortest takes 5 hours and the longest 16 hours.
2 series and 12 standalone books in the catalogue.
L.A. Quartet
4 books
The Black Dahlia 8.1 h The Big Nowhere length not known
L.A. Confidential length not known
White Jazz 7.6 h Lloyd Hopkins Trilogy
3 books
Standalone books
Silent Terror 5.1 h 
The Big Nowhere 9.1 h 
L.A. Confidential 9.1 h 
Murder and Mayhem 5.3 h 
American Tabloid 10.9 h 
My Dark Places 7.6 h 
L. A. Noir 15.6 h 
The 50 Greatest Mysteries of All Time 10.4 h 
The Cold Six Thousand 12.6 h 
The Best American Mystery Stories 2002 7.4 h 
The Best American Crime Writing 2005 6.7 h 
The Best American Noir of the Century 13.8 h