I see a trend: people want to be physically surrounded by books.
In urban life, there seems to be a common understanding that people tend to consciously or subconsciously become wary of strangers surrounding them. They are always balancing a certain level of privacy with others. A bookcase CAVE provides a private reading space within its form. As a seat height is just above the floor, CAVE gives a feeling of hiding from others standing around it. Books can be stored on both sides. Therefore, CAVE can also function as a partition of a room.
Book lovers know they can read a book and escape into a completely different world. Now furniture designers are attempting to complement — perhaps intensify — this experience with an added physical dimension.
I'd like to give this a test-