THIS IS SUCH A GREAT SKILL TO LEARN! How to bind your own notebooks/sketchbooks. "OP said: I've done it several times using old hardcovers on the outside. This tutorial is my bible for ANY diy book binding.
Seeing Things: DIY Secret Book of Sinister Potions - A tutorial on making cool Steampunked Books (tutorial is gone. link goes no where. still, one can get ideas for an altered book cover from this, using polymer clay and found elements.