The Granny Square Book: Timeless Techniques & Fresh Ideas for Crocheting Square by Square

Beyond the Square Crochet Motifs: 144 circles, hexagons, triangles, squares, and other unexpected shapes

Connect the Shapes Crochet Motifs: Creative Techniques for Joining Motifs of All Shapes

Around the Corner Crochet Borders: 150 Colorful, Creative Crocheted Edgings with Charts and Instructions for Turning the Corner Perfectly Every Time

The Big Book of Granny Squares: 365 Crochet Motifs

Just Plain Fun JPF Crochet Club Granny Square Collection