Two brand new titles currently brings the number of volumes to 20 in this comprehensive series. All Art Handbooks fall into one of four color-coded categories: Purple Series books explain art media and techniques; Red Series books describe different art genres; Green Series books show art tools, discuss theory, and show how art theory applies to different media. Yellow Series books present historical surveys of various art eras. All are filled with full-color illustrations.Art students and hobbyists are instructed on methods of mixing oil-based pigments to produce every color the eye can perceive. Instruction begins with the three primary colors of yellow, blue, and red, plus zinc white to modify color shades and turpentine to help artists achieve correct paint texture. From here, students are shown how to produce secondary and tertiary colors.