A5, needs to have a squared grid, and preferably "atoma" so you can throw pages out or reorder them. I have been doing this for about 20 years now, filling 3-4

A5, needs to have a squared grid, and preferably "atoma" so you can throw pages out or reorder them. I have been doing this for about 20 years now, filling 3-4 of them each year.