First, fold 8 pages in half and put the book on 8 pages.
Second, wrap the front and back of the book with paper and press the crease.
Third, take the book away and fold 8 pages of paper into the size of a book along the indentation.
Put the book back where it was just now.
5. According to the position of the binding line, tear the 8 fold paper into a small mouth.
Six, eight open the back of the paper and tear the small mouth.
7. Wrap the front and back sides of 8-slit paper on the book cover along the slit.
8. Fold both sides of these 8 pages into the inside of the book.
Finally, on the front of the book cover, write the title of the book.