Enchanted Sea - Mermaid Coloring Book in Grayscale contains 40 mermaid illustrations by Molly Harrison, all ready for you to add color These images are in GRAYSCALE, which differs from line art in that all the values from black to white are included. These images look beautiful when mediums such as Copic markers, Prismacolor markers (and other alcohol based markers), and colored pencils are used. Gel pen really livens up the pages with highlights...