https://imgur.com/sHnzh3c
26 for $52. Perfect quality.
http://www.amazon.com/gp/product/B008FRKMF8?Version=1&entries=0
I am so psyched to be back in the realm of Half Price Books. There's like two used bookstores in Los Angeles.
Keep your eye out for the massive-volume Study of History by Arnold Toynbee. Not the abridged 2-volume set.