Stacking notebooks is a habit as addictive as having books. You know it’ll be a lifetime before you use them, that is if you use them at all, and you’ll probably leave most of the pages blank before you switch to a new notebook, leaving another one to add weight to your stack. But maybe what you need to motivate your notebook usage is the right cover, and to break the bad habit, we’d like to share this notebook PSD mockup from Mr. Mockup.