Explore the beauty and precision of natural dyeing--with tested recipes, scientific know-how, and sustainable methods for transforming textiles using plants, insects, and minerals. Satisfy your curiosity about the art and science behind vibrant, long-lasting color on cloth. This is a hands-on, practical compendium for anyone passionate about eco printing, weaving, or natural dyes--whether you're selecting your first madder root or refining your indigo vat for subtle endless blues. Joy Boutrup and Catharine Ellis bridge tradition and innovation with insight, patience, and method. They go beyond dye "recipes," giving readers the why as well as the how, from the underlying chemistry of mordants to the difference between anthraquinoid reds and bold tannin browns. Sample-based experiments and clear explanations build mastery, turning each dye bath into an experiment you can trust. Expect more than just surface color--these pages contain the nuts and bolts of dye fastness, fiber preparation, and maintenance of sustainable processes, all grounded in the authors' studio experience and enduring research. Inside you'll find: * Exhaustively tested methods for immersion dyeing, printing, and blending natural colors * Guidance on preparing and mordanting both protein and cellulose fibers (wool, silk, cotton, linen, and more) * Detailed explorations of core pigments, from cochineal to pomegranate * Historic techniques adapted for today's sustainable dyer * Troubleshooting advice for indigo vats, plus care and keeping of your finished cloth If you appreciate the technical fluency of Dominique Cardon or the contemporary artistry of eco colour, you'll find this book indispensable--an essential guide to the world of natural color for fiber artists and makers.