I use Muji notebooks. They're cheap and the perfect size for me. They have a store in SoMa SF. http://www.muji.us/store/stationery/notebooks/recycled-paper-rin

I use Muji notebooks. They're cheap and the perfect size for me. They have a store in SoMa SF. http://www.muji.us/store/stationery/notebooks/recycled-paper-ring-note-beige-b5-ruled-48.html http://www.muji.us/store/stationery/notebooks/recycled-paper...