Dinosaurs With Jobs Adult Coloring Book: Celebrating Our Old-school Coworkers

Unicorns Are Jerks: A Coloring Book Exposing the Cold, Hard, Sparkly Truth

Mer World Problems: a coloring book documenting hardships under the sea

Fat Ladies in Spaaaaace: A Body-Positive Coloring Book

The Robot's Guide to Love: a coloring book of romantic advice

The Apocalypse Coloring & Activity Book: A Survival Guide That's Fun for Every Bunker

The 1990s Coloring Book: All That and a Box of Crayons (Psych! Crayons Not Included.)

The Hipster Coloring Book For Adults: You've Probably Never Colored It (Sacred Mandala Designs and Patterns Coloring Books for Adults) (Volume 34)

Coloring for Grown-Ups: The Adult Activity Book

The Ultimate Coloring for Grown-Ups

Calm the F*ck Down: An Irreverent Adult Coloring Book (Irreverent Book Series) (Volume 1)