Anyway. Ahem. I clicked on the link and saw this:

To the owner of this wonderful book case, reya., I lurve you.
In the Comments section, missdeville said:
It looks so pretty that way. One of my teachers used to say he prefer to organize by colours, because the first thing he remembered about a certain book, even more than the name, was the colour. And it works besides it looks really good :)
Yez, that's true!