KATE ATHERLEY is a knitting author, teacher, and editor. Her latest book, Custom-Fit Hats is her ninth, and the fourth in a series on customizing projects for perfect fit and style; it joins works on shawls, socks, and mittens. She’s also the co-founder and publisher of Digits & Threads, an independent, member-supported online magazine about Canadian fibre- and textile arts, crafts and industry. The combination of her university degree in mathematics, professional experience in software development and usability, and training in garment and fashion design give her a unique perspective. She lives in Toronto with her husband and their rescue dog Winnie.