Canon of Design: Mastering Artistic Composition

The Practical Guide to Drawing Techniques

How to Solve It: A New Aspect of Mathematical Method

Kawaii Doodle Cuties: Sketching Super-Cute Stuff from around the World

A Beginner's Guide to Constructing the Universe: The Mathematical Archetypes of Nature, Art, and Science

Inspiring Zentangle Projects: Exciting new ways to creativity

Botanical Line Drawing: 200 Step-by-Step Flowers, Leaves, Cacti, Succulents, and Other Items Found in Nature

The Urban Sketching Handbook 101 Sketching Tips: Tricks, Techniques, and Handy Hacks for Sketching on the Go

Mathematics for the Physical Sciences

One Zentangle a Day: A 6-Week Course in Creative Drawing for Relaxation, Inspiration, and Fun

Sketch!: The Non-Artist's Guide to Inspiration, Technique, and Drawing Daily Life

Doodle Trees and Happy Bees: Create Playful Art

The Drawing Book: New Yorkers

The Art of Mindful Drawing: Create calm and inspiring images

The Complete Urban Sketching Companion: Essential Concepts and Techniques from The Urban Sketching Handbooks--Architecture and Cityscapes, Understanding Perspective, People and Motion, Working with Color

Dare to Sketch: A Guide to Drawing on the Go

The Fundamentals of Drawing in Colour: A complete professional course for artists

The (Mis)Behaviour of Markets: A Fractal View of Risk, Ruin and Reward

How to Draw What You See