I love collecting old Amiga and Commodore related books, especially programming books.
I have a copy of Machine Language For Beginners and another book by the same author, the Second Book Of Machine Language:
Mine doesn't look as pretty as yours.
They were given to me be a former co-worker some years ago. I found them very helpful when doing a bit of C64 hacking a while back.
Some of my other conquests over the last year or so:
Still hunting for a Hardware Reference Manual and User Interface Style Guide!
Also on the lookout for a 3rd edition of the AmigaDOS Manual.