The one that started it all, Coloring for Grown-Ups is the first in this famed internet duos hilarious series of coloring books that combines the mindless fun o

A compendium of the best of the best from the highly successful Coloring for Grown-Ups books, The Ultimate Coloring for Grown-Ups is the perfect gift for anyone

Here is a nostalgic collection of intricate, challenging black-and-white Hidden Pictures puzzles for a grown-up audience! This adult coloring book from Highligh

From the authors of Coloring for Grown-Ups—an adult coloring book that will help even the most cynical celebrator make it through the holiday season in good c