http://strictlypaper.com/blog/2011/04/bodoni-bedlam-a-pop-up-book-by-victoria-macey/
This a lovely 'arty' version of a pop-up book using letters and typography as characters of a quest-story through the alphabet.
http://www.victoriamacey.com/BODONI-BEDLAM
There are some nice use of simple colour palettes, along with the strength of the back letters and tracing paper for layering.