Try Zodiac. It's not even sci-fi (or if it is, it's _barely_ sci-fi, and only near the end). If they like the writing style and etc. of that, should be easier

Try Zodiac. It's not even sci-fi (or if it is, it's _barely_ sci-fi, and only near the end). If they like the writing style and etc. of that, should be easier to talk them into maybe Cryptonomicon or something next. Cryptonomicon might also be a good entry point, but it's long, so it's a harder sell.