A library shelves by the structure glossy, white or black, formed by four shelves that are characterized by a series of dividers or opal tinted willing to slightly different angles, like the shadow of a sundial. In this way, the eyes of the beholder, the separators and the books that they are welcome in constant evolution. The four shelves: in addition to functioning as a support for books, in fact, can also be tilted, making the library a dynamic tool for interaction with light and shadows. Sundial becomes a library agile, lightweight, small dimensions, but if necessary it becomes easy to put in a partition wall. Structure: painted chipboards