I found this interesting article in today’s New York Times, about fake books—some blooks are ornate, useful or just plain fun.
http://www.nytimes.com/2016/01/29/books/a-secret-in-every-tome-no-text-required.html?
More blooks: The Aesthetic Allure of Books Without Pages
I own a blook, though it’s more of home security device or hidey-hole, as it resembles a boring brown leather bound Victorian tome on the shelf, but it’s actually a box.