David Foster Wallace books in order
11 books in the catalogue, about 81 hours of reading in all; the shortest takes 3 hours and the longest 20 hours.
11 standalone books in the catalogue.
Standalone books
The Broom of the System 8.6 h 
Infinite Jest 20.2 h 
A Supposedly Fun Thing I'll Never Do Again 6.5 h 
Brief Interviews With Hideous Men 5.2 h 
Everything and More 6.3 h 
Oblivion 6.1 h 
Consider the Lobster, and Other Essays 6.3 h 
The Best American Essays 2007 6.2 h 
This Is Water 2.5 h 
The Pale King 10.9 h 
String Theory 2.7 h