101 TEXTURES COLORED PENCIL

101 Textures in Colored Pencil: Practical step-by-step drawing techniques for rendering a variety of surfaces & textures

Colored Pencil Painting Bible: Techniques for Achieving Luminous Color and Ultrarealistic Effects

Photorealistic Colored Pencil Drawing Workbook: Learn Essential Techniques through 16 Projects (Design Originals) How to Draw Hyper-Realistic Eyes, Fur, Shiny Surfaces, and More