The book, page by page, the way it will print. Anything can change: swap a photograph, cut one, make one bigger, add one that belongs. The pages are numbered under each spread, and every photograph in the gallery carries its own number, so a note like “pages 11–12: swap the left photo for 214” is all it takes.
Choose the photographs for the book, then see how they lay out on the page. The strip along the bottom is the book in order, and it drags.
Picking as