Here is my latest note book cover. It's 4 1/2" x 6". A friend is having a birthday and she's into shoes big time!
Free patterns to make your own notebook cover:
Fabric Journal Cover Tutorial from Sewing Crafts
Making a quilted book or journal cover
Patchwork Notebook Cover Tutorial
Patchwork Notebooks from Sew, Mama, Sew!
Reverse Applique Journal Cover by Liz Kettle