Book excerpt: An in-depth guide to choosing the right yarn for your project—including ten patterns that explore how different yarns affect your final product. If you want to change the yarn in a designer’s knitting pattern, you’ll face a basic question: “What art the best substitutions?” In this comprehensive guide, Carol J. Sulcoski gives you all the information you need to learn in order to evaluate the types of yarns and patterns that are best suited for each other. She focuses on specific yarn characteristics that will dramatically affect the substitution process, breaks down the process into manageable steps, and provides ten versatile, classic patterns on which to experiment with your own yarn substitutions, each one with swatch photo of three possible alternative replacements as starting points.