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
Copic Sketch Books, made for Copic markers - COPIC Official Website
Let's Start Copic: Haruhi Kato and Foo Midori's Copic Basic Lesson Tutorial Mini Guide Book
Copic Markers in Colouring Books & a Hannah Lynn Page - Marker Geek
Johanna Basford Magical Jungle Review & Copic Colouring Video - Marker Geek