upload their entire book library (sans the few books they actually want) and sell them efficiently,

What? Heretic! We want them all!

Well, I want most of them, and Karl wants the rest.

He did finally get rid of a few books - like the one he warned me not to bother reading and elaborated in detail why it was awful - and I asked WHY had I had to help pack and unpack this hardback through multiple moves?

But mostly, he doesn't get rid of books.