Books That Sell Way Too Fast at Used Bookstores
There are some books that stay constant. Some books, despite being published decades (or centuries!) ago, still can't seem to stay on the shelves. This is a mix of a) sheer popularity and b) the delicate ratio of how copies go out the door versus how many books come in.
avg. score: 36 of 120 (30%)
required scores: 1, 23, 31, 39, 49