Most of these books are a ten-page book designed by Kunihiko Kasahara in Origami Omnibus. There are a couple of David Brill books and a few easy eight page books. The thicker books are made with heavier paper. The slipcase with the hardcover book on the right is also designed by Kasahara, as is the bookcase itself. I made the paper for the bookcase about ten years ago with Michael LaFosse at the Origamido Studio in Haverhill, which is closed now.