I love this box set.  I didn't realize it when I purchased, but they are actually 6 individual "books" so you can use a few here and there.  I incorrectly assumed that all 6 were fabricated/stuck together as a set, so was pleasantly surprised to find that they are individual.  They all open for discreet storage.  I may buy another set because I like to use them to create height with shelf, glass cabinet, and table decor.