Seven kinds of paper are used in the book, corresponding to the scene of the seven days. Tactile distinctive light and shadow light and dark rhythm subtle, making the book a rich and varied reading perception.
Catalog pages with traditional dragon scale design, paper folding effect, cooperate with the length of the change of the page, almost let the reader into the cycle of setting. Seven groups of punctuation and fine line digital code, as well as light and shade changes within the text of the