From the book preview, click "edit pages" and navigate to the page that says "sort pages" at the top. Click "Edit Size" on the right. You can choose from 2 book sizes, 8.5" x 11" (default) or 8" x 8".
From the book preview, click "edit pages" and navigate to the page that says "sort pages" at the top. Click "Edit Size" on the right. You can choose from 2 book sizes, 8.5" x 11" (default) or 8" x 8".