He sounds like he has no concept of the book market at all, and like most people, vastly overestimates what his collection is worth. I guarantee you he will pay someone to haul those books away.
* TCP/IP Illustrated Vol 1 - Stevens
* TCP/IP Illustrated Vol 2 - Stevens
* Advanced programming in the unix environment - Stevens
* The Dragon Book
* Applied Cryptography
* Design and implementation of *BSD
In the end I received 1 meter of books for free, apparently the hassle of dealing with deliveries, collections, and the relatively low demand meant it was better for her to get the damn things removed all at once, even at a loss, than deal with it.
I feel pretty lucky, as I used to own most of these books but they didn't survive an (international) relocation.
But I’m reacting more to his certainty that he will have so many people wanting to pay for his books, that he’ll actually be trying to decide whether this or that library will have the privilege (and that he’s being magnanimous by not charging for it). Again, he really doesn’t understand the book market.
It would have been wiser to ask a local bookseller to take a look (and tell him the brutal truth) before posting his “offer.”