Now I'd like to say a little about what's inside my *used* notebooks.
Reverence: It's often a little hard to make my first mark in a notebook, the blank pages are filled with so much promise and possibility. This is how I have ended up saving blank notebooks for years before deciding to use them. In addition the proper purpose must be found for a notebook. Thin notebooks for small tasks, thick ones for big ones.
Christening: When a notebook enters service it's named. I'm certain we all have little rituals that go along with starting a new notebook. I like to leave the first few pages blank, as I hope to add a title page and table of contents later, a hope not always realized...but, I still can't stop myself from doing it. Most of my notebooks get labels for their covers, I also collect nice labels, for this purpose-- I especially like vintage labels. (Though finding a way to revive the paste can be challenging.)
Breaking in: The first entry in a new notebook is done with great care, but as the notebook rides in the bag, gets dropped on the sidewalk, is written in on subways and escalators, it gains a few less-than-perfect entries and a few dog-eared pages. It is this stage that determines what happens next, and once the notebook is half-filled it's time to decide:
Accention to book-like status, or demotion to scrap paper: The great notebooks get page numbers and indices, title pages and a revival in the quality of the entries. The poorer notebooks become my "scratch" notebooks, filled with all of the calculations, random notes and lists that no sane person would ever care to read again. (Especially me) The notebook then earns a place on the book-shelf, or a place in the rubbish bin at this stage.
Second lives: Some of the time I try to give a "scratch" notebook a second life. I carefully remove all of the pages with writing, take off the title tag and place it back on the shelf with the other blanks. Now with fewer pages it's better suited to small projects. Perhaps it will "ascend" in its next life time.
Drawings and color add so much to note books, I rarely throw away a notebook with good drawings. Some of the time I'm surprised by the work that I did. It's fun to spend an evening reading old notebooks. My oldest notebooks are from 2nd grade. I was laughing so hard I was crying at some of the stories (and spelling) in them. Some notebooks are time machines.