photobook and square back book
※ Specifications: 205mm140mm (straightness book)
※ Cover: hardcover with 1.5mm gray board + sewing binding
※ inner pages: 100g special paper (super feeling paper) light yellow
photobook always adopts square back book binding , we also call square spine book binding
light yellow special paper (super feeling paper) for good printing effects, Chinese usually use this paper for high quality photobook
There are several common forms of hardcover books:
1 is square back book, another is round back book, now the round back book is more popular.