The book "The Book of Colour Concepts" by Sarah Lowengard is a comprehensive collection that illuminates the fascinating relationship between color and human creativity over four centuries. It brings together more than 65 rare books and manuscripts from significant color collections worldwide, offering readers a chromatic journey through the history of color theory. With over 1,000 illustrations, including newly photographed works, various concepts of color taxonomy, the connection between color and music, and the emotional impact of colors are vividly presented. The included works feature foundational texts by Isaac Newton and Johann Wolfgang von Goethe, as well as rare contributions from Charles Webster Leadbeater and Sanzō Wada. This two-volume edition is not only a visual feast but also a valuable resource for anyone interested in art, music, and design.