Or as one of my favorite interior design–related Tumblrs puts it: F–k your bookshelf with the books arranged by color. But there is much to recommend the rainbow-hued bookshelf. For one thing ...

I often do remember what color it is. Will I keep it? I don’t know. I would be pretty irritated if a used-book store arranged its offerings this way, because who shops for a green book?

The store's collection of more than 20,000 used books has been rearranged and grouped according to the color spectrum. Red books are at the front, followed by orange, yellow, green, blue ...