Re: I'm touched by the weirdness of this request...
It almost doesn't matter; each stands by itself, but the development of his writing over the years, and the complexity of their combined plots, suggests that a deeper appreciation might be had by reading in chronological (copyright age) order.
Some of his biographical work explains how he wrote (and how he thought), and may profitably be read before diving into the ocean of his words.
Biting the hand that feeds IT
