Global Doodle Gems adult coloring books is a collaboration of 130+ artists from around the world. We have come together to create a one of a kind coloring experience! Each volume of our coloring books features 10 artists and their amazing drawings 50 color pages in total. Having a wide variety of artists allows us to accommodate all levels of color enthusiasts ! Wishing you a colortastic journey … with our 13th Volume of “Global Doodle Gems”!