This is a comprehensive introduction to working with colour in interior settings. Part I is a history of interiors from the point of view of their colour systems. It spans a breadth of periods and locations, from prehistory through to the Renaissance in Italy and Greece; the 16th-18th Centuries in France, England, and America; and on, to the 19th Century and beyond. Among the most notable interiors which are covered are Fresco of Elegant Ladies from the Palace of Knossos, Crete; The Black Wall from the Roman villa at Boscotrecase near Pompeii; Le Corbusier's reflecting blue wall at the Villa Savoye; James McNeill Whistler's Peacock Room, at the Freer Gallery of Art, Washington, D.C.; and lastly, The Tassell House, Brussels Part II is an easy-to-understand outline of the basics of colour theory and its underlying science, including optics, prisms, light physics, and colour wheels. It addresses such topics as the symbolism and psychology of colour, as well as more practical matters of pigments and dyes. Part III is a practical guide to the would-be decorator on the use of colour to enhance interior settings and to create specific effects. It has practical and easy to use advice on colour schemes as well as a discussion on the ongoing nature of trends.