It is filthy! It is sexy! It is entertaining! Adult coloring books by Wood Rocket: the adult coloring book. Color in a fantasy! This adults only coloring book will make someone laugh and blush with high quality art work and made of very high quality stock and paper. The Dirtiest Christmas Coloring Book Ever covered just about every fantasy and fetish, so grab a partner, or partners and crayons and lets get dirty! Color in a fantasy! This adults only coloring book will make someone laugh and blush with high quality artwork and made of very high quality stock and paper. The Dirtiest Coloring Book Ever covered just about every fantasy and fetish, so grab a partner, or partners and crayons. Lets get dirty!