Sew Very Easy Quilt-As-You-Go Clamshells Quilt Book brings you 5 projects to transform your charm packs into clamshells. Including a variety of patterns for all rooms in your home, you're sure to stitch up something eye-catchingly cute. 'Sew Very Easy Quilt-As-You-Go Clamshells' by Laura Coia, published by C&T Publishing, softcover with 24 pages.