I like accordion books because you can stand them the four fold way pdf and view all the pages at once. This makes them great for displays and exhibits. Accordion books have a rich history around the world.
They are made in many parts of Asia, including China, Japan, Korea, Thailand, India, and Burma. Book artists frequently experiment with the form. I use the front panel of a grocery bag cut in half the long way or a piece of used paper with writing on one side folded in half so that the writing is on the inside. Fold the paper in half. Take the top layer of paper, flip the edge back to meet the fold, and crease.
Turn the paper over, flip the edge of the paper back to meet the fold, and crease. Lift the first page, insert scrap paper, and cover the entire surface with a thin coat of glue by starting in the middle and making stripes up and then down. Place the folded pages, glue side down, on one corner of the cereal box. Leave a very narrow border on the outside edges. Remove the scrap paper and fold it in half with the glue on the inside. Complete the cover by trimming the cereal box so that there is an even narrow border all around.