Drawing: Faces & Expressions: Learn to draw step by step

Realistic Textures

Drawing: Basic Textures in Pencil: A beginner's guide to realistic textures in graphite

Art of Drawing People: Simple techniques for drawing figures, portraits, and poses

Step-by-Step Studio: Drawing Concepts: A complete guide to essential drawing techniques and fundamentals

Step-by-Step Studio: Drawing Lifelike Subjects: A complete guide to rendering flowers, landscapes, and animals