Felicia Lo, a chemist by trade, has taken dyeing to a studied science. But more than that, she is an artist of the dye pot. Her long-awaited book is broken down into four main sections: understanding color, creating color, spinning color, and knitting color. Also included are ten different knitting patterns that use either hand-dyed or handspun yarns in different ways that feature the unique nature of hand-dyed yarns.