I suggest Truly Part of You, as it has the highest ratio of insight to length. My only concern is that the jargon is uses may violate your first criterion. However, the jargon is explained sufficiently where it's used in TPoY; it's only a problem if seeing such terms is intimidating to your friend. For example, there's the passage

So, McDermott says, "A good test for the disciplined programmer is to try using gensyms in key places and see if he still admires his system. For example, if STATE-OF-MIND is renamed G1073..." then we would have IS-A(HAPPINESS, G1073) "which looks much more dubious."

I didn't know about gensyms at the time (and still don't have mastery of the concept), but you can see that in context it makes the point clear.