Manga Artists Copic Marker Coloring Techniques: Learn How To Blend, Mix and Layer Color Like a Pro: SHIN, Maripori, Yue, Kitamura, Junko, Kawana, Suzu, Kirisaki, Ramiru: 9781940552569: Amazon.com: Books
Amazon.com: Copic Sketch 6pc set, Skin Tone (Discontinued)