1. The Pastel Book: Materials and Techniques for Today's Artist (Click Link to Check Price on Amazon)
Editor's Rating : 8.8 out of 10

2. The Art of the Pastel (Click Link to Check Price on Amazon)
Editor's Rating : 9.6 out of 10

3. Art Masterpieces to Color: 60 Great Paintings from Botticelli to Picasso (Dover Art Coloring Book) (Click Link to Check Price on Amazon)
Editor's Rating : 9.7 out of 10
Add your own color to classic paintings such as Grant Woods American GothicAlso includes imagery from -Renoir -Winslow Homer -Degas -Van Gogh and more

4. Pastel Pointers: Top 100 Secrets for Beautiful Paintings (Click Link to Check Price on Amazon)
Editor's Rating : 8.8 out of 10

5. Colored Pencil Step by Step: Explore a range of styles and techniques for creating your own works of art in colored pencils (Artist's Library) (Click Link to Check Price on Amazon)
Editor's Rating : 9.4 out of 10