The Filthiest Coloring Book from Wood Rocket. This is the sequel to our Best Selling Coloring Book, The Dirtiest Coloring Book Ever! If you are looking for an Adult coloring book as a gift or for yourself or a bachelor or bachelorette party or sexy Christmas, The Filthiest Fucking Coloring Book is the dirty coloring book for you. It is filthy! It is sexy! It is entertaining! For adults only.