'The Natural Dye Handbook' BookThis rich and comprehensive guide to natural dyeing processes will take your practice to the next level. Author, Heidi Iverson, explains how to boost the spectrum of colours you can achieve through using a variety of tannins, mordants, modifiers, and mixing colours to get incredible results naturally. Includes a library of more than 60 plants including fungi, leaves, bark, roots, flowers, fruit, nuts, and seeds, and the incredible natural dyed rainbow