I've been stitching a few books with fabric covers and matching bags. The bag keeps your journal safe and private. I like working with either linen or cotton fabrics. It's not hard to find lovely thrifted fabrics--check out the clothing and housewares sections for loads of usable fabrics!
The first two I made were for gifts:
I used a linen/cotton skirt for this set.
Two linen place mats provided the fabric for this set.
But this new one is now available in my Etsy shop:
For this set I used a linen dress with a subtle floral print.