This coloring book contains 25 images in line art. Suitable for grownup colorists, both advanced and beginners. Makes a great gift for anyone who loves mermaids and fantasy. All the illustrations in this coloring book are printed on one side only, the book includes test pages for you to try different color schemes and designs. It is recommended to use a dry medium like colored pencils, pastel pencils, pastels, chalks and oil crayons. If you use markers or gel pens, please put a piece of heavy paper or card stock between the pages to prevent bleeding through and to protect the next design. PDF version of this book can be found on artist's website www.jannafairyart.com along with all other coloring books by Janna Prosvirina.