Rowan Pattern Book, Martin Storey. Denim The Next Generation Denim The Next Generation is a collection of seven classic, Martin Storey family knits re-worked with a contemporary feel and style. Casual denim shirt styles, Breton stripe guernseys and rugged-look cables feature in this on trend collection for men, women and children. Designer: Martin Storey Subject: Knitting Project Type: Children & Baby, Men, Women Yarn: Original Denim