Fun! Quite fast!
I watched a 'Quilting Platter' recently - a set of 15 minute mini classes with a whole variety of textile artists.
It is designed by Lisa Shepard Stewart of Cultured Expressions.
You start off by folding your 10" square into an envelope shape and using it as a template to cut your wadding.
Then the 'flap' is folded up and two lines of stitching, about 1/4" off the centre point, are sewn to make a spine (or a space for a pen - I've ordered some short pens for this purpose!).
I thought about it, and then added an elastic to keep the notebook closed.
I liked it so much that I made another, trying to use the selvedge that says 'little darling', but knowing that it would be upside down!
Still, another little gift for someone made. I will dig out my 10" squares and see what I'll make next.