scribblemoose prompted me to make a list of my current notebooks, so here they are (this doesn't include non writing notebooks such as work/career, languages, etc).
Left to right:
-A4 Tesco "Vintage Britain" notebook for Sense and Sensibility.
-A5 crimson book for Dragon Age writing which I've just filled up so behind it is the red Oxford that replaces it. Currently using it for Open Arms.
-Pukka Pad project book on which I wrote "Creative ideas, fics + other notes". Has been a catch-all for a few years here and there. There's a bit of DA as well (I started working out the S&S cast list here) but it's where I have my notes on Gravity.
-Green Oxford for all my Merlin works.
-Blue Oxford which started out with some random stuff but I then started writing Final Fantasy as I didn't have a dedicated book for it.
-Blue Ryman spiral book for writing exercises.
-Purple book for writing group feedback (both my thoughts on other pieces and the notes I received on mine).
-"The Universe" notebook by Peter Pauper Press where I'm currently writing an original piece.
-A6 Black Paperchase/Miquel Rius everything book. It used to be one I carried everywhere and has everything from poetry, character notes, inspiration, bpal wishlists, as well as some mundane stuff. It's getting full so I have an identical one waiting in the wings.
I have a big stockpile of notebooks that are either empty or have just a few pages started, and some that have more content in but I haven't touched in over a year.
Feel free to make a similar post with yours :)
DW version