Make Your Own Moleskine-Like-Notebook
http://michaelshannon.us/makeabook/index.html
"Your very own Moleskine-like-notebook/journal/sketchbook. The one we'll be making is 3.5 x 5.5 x .5 inches. I use this size because it fits nicely into my back or front pants pocket. Strangely enough it is also the same size as the Moleskine notebook."