Remember when you were a kid you used to make some pretty booklet from some draft papers? Actually there some similarity between that and a poor-man PDA. Here is a good info of making a 16 page booklet from a standard paper:
You may need to view the biggest version to make sense of it. The method is from Keri Smith’s book Living Out Loud. Requires one sheet of A4 or US Letter paper. Produces one sixteen page booklet that fits nicely in a pocket for making notes or scribbling. Perfect for those too damn cheap to use Merlin’s HipsterPDA – or just not that hip.