How I Killed Pluto and Why It Had It Coming - Mike Brown I'd shelf this as inherent-sadness-of-being-a-Kuiper-belt-object, but that might be too esoteric even for me.

Much more skullduggery and international astronomical intrigue than expected for a book about rocks 12 billion miles away too. One can't help but feel bad for Pluto, of course, but it was probably the right call.