I found some good websites to show how to make an interesting book.

http://lizplummer.com/blog/notable-posts/how-to-make-a-concertina-book/

http://www2.cruzio.com/~peteranddonna/4-bb.htm

http://homepages.nildram.co.uk/~dawe5/bookbinding_pages/BB_accordion2.html