This book contains 25 coloring pages (23 line art versions + 2 bonus grayscale versions). Each page is one-sided. We recommend using pencils, soft pastel, it is not suitable for wet media such as watercolors. However, if you are using markers use sheet of card under the page you are coloring so it won`t bleed through. Page size is a large 8 x 10 inches high quality paper (105 GSM). Some of these illustrations are highly detailed while others are a bit less complicated.