Most notebooks made with Tomoe River seem to be A5 size or A6. I'm personally not a fan of A5 for thicker notebooks due to the height of the stack vs. its size. I have a Paper For Fountain Pens journal in B5 size, and it's perfect. While I'd love to get another one, it's been sold out for a long time, and e-mails to the maker go unanswered so far.

Nanami makes A5 "Seven Seas" journals. If they had a larger B5 version, I'd buy 1-2 in a blink.

Does anyone know of larger size pre-made journals/notebooks made from Tomoe River, besides Paper For Fountain Pens? (Not glue-bound tear-off sheet generic Tomoe River notebooks in A4 size.)