Next in this series is a very different coloring book combining line art with grayscale background images called 'Fusion'. This book is compiled from Dr. Davis' personal photographic library along with line drawings created by her and Ellen Pothier and public domain sources. They can be colored with your choice of colored pencil, crayon, pastels, or gel pens just to name a few. Grayscale coloring is different from line drawing coloring in that...