None of Stephenson's books really have much of an ending (or in some cases much of a coherent plot)... the closest I can think of (in the way of endings) is Sno

None of Stephenson's books really have much of an ending (or in some cases much of a coherent plot)... the closest I can think of (in the way of endings) is Snow Crash. But he writes with wonderful detail and humor, and seems really great at writing believable near-term futures, which I imagine are much harder than writing about the distant future (where everything can be fantastical).