This is a great reference book for anyone interested in pastel painting. It has really helped me improve my pastel skills. It covers materials, color and techniques for every kind of nature subject.Included are 72 different lessons. Each lesson covers a different topic. Some include handling a detail close up, painting all kinds of water, choosing a focal point, describing diverse textures, & underpainting.Each lesson contains a color photograph & the artwork in various stages along with written step by step instructions. Some of the artwork subjects include clouds, sunsets, frozen landscapes, desert vistas, & autumn scenes.Many animals covered include an elk, a swan, a monarch butterfly, & a robin's nest. Moreover, some plants studied include sunflowers, junipers, many trees, & cactus. Mountains, fields, rocks, & a cabin are covered as well.