Tools: kraft paper, pencil, ruler

The specific operation method is as follows:

1. Measure the length of the cover. Put the kraft paper face down on a flat workbench. Put the book in the middle.

Draw a horizontal line along the top and bottom edges of the book. Use a ruler and pencil to realize this program.

3. Put this book away. Fold this paper from the top and bottom.

4. Put the book back on the folded paper and fold the back of the book into the paper. Keep the book horizontal and centered.

5. Open the cover of the book. Fold the left side of the paper into the book.

6. Close the book and don't let the paper completely wrap it. But keeping the folded left edge of the paper completely in place. Cover paper should be close to the book, leaving no creases and gaps.

7. Open the back cover of the book. Fold the right side of the paper in.

8. Put the cover of each book in a newly made paper clip. Proceed in turn. Make sure the paper folds clearly and quickly. This kind of paper is quite thick, so don't leave a binding on the cover.

9. Decorate or mark books. You can draw pictures on it or simply put a label on it, and the label indicates the title of the book.