101 Textures in Colored Pencil by Denise J. Howard, 2017
Colored Pencil Painting Portraits by Alyona Nickelsen, 2017
Essential Techniques of Landscape Drawing by Suzanne Brooker, 2018
The Colored Pencil Artist’s Drawing Bible by Jane Strother, 2011
The Fundamentals of Drawing in Colour by Barrington Barber, 2006
