An outstanding feature of the book is its 24 pages of color plates. The full color illustrations of finished wares include historic and contemporary objects from around the world. They are well selected to show some successful applications of th the book. ee = e techniques explained in The color section also includes illustrations of 288 test tiles which are modestly described as "a small Selection, almest at random, From the thousands done in the preparation of this book." It is exciting to look at a color plate of 24 "Color variations from nickel" (to chose at random) and see shades of green, blue, amber, grey, brown, and pink. Each test tile is indexed to its base glaze, firing method and oxide additions. This is a fully satisfying presentation of the results described in the book and gives definite points of departure for personal experiments. Every person interested in making ceramic objects will benefit greatly from THE CERAMIC SPECTRUM. Care is given to background topics: raw materials, mixing glazes, kilns, etc. This assures that the beginner will not be left behind in the later technical discussions. These technical discussions -- topics including flux saturations, glaze alterations, color testing, and flashers -- will give stimulation-and new insights to all studio potters. The book will become the standard work on ceramic glazes for the beginner as well as the professional ceramist, THE CERAMIC SPECTRUM: