I don't know how I feel about "upcycling" a book and book crafts in general but this is pretty cute! Upcycled Zippered Book Clutch – Free Sewing Tutorial by See Kate Sew + Upcycled Sewing Projects by Betz White
DIY book clutch with instructructions! - "This Zipper Book Clutch from See Kate Sew is a sweet take on a current trend in handbags and a great way to recycle used books. Kate also gives you a ton of ideas for turning it into a personalized gift set.