Top row, left to right: Doodle Dogs: Coloring Books for Adults with Over 30 Stress Relieving Dog Designs Vol. 1 \ Adult Coloring Book Dogs Vol. 5 \ Flat Faced Friends: A Pug & French Bulldog Coloring Book
Bottom row, left to right: Dogs & Doodles Vol. 1 \ Favorite Dogs Coloring Book \ Dog Lover: Adult Coloring Book
Top row, left to right: Amazing Dogs: Adult Coloring Book Vol. 3 \ Doodle Dogs: Coloring Books for Adults with Over 30 Stress Relieving Dog Designs Vol. 2 \ Doggie Styles Fashionable Dogs Coloring Book Vol. 8
Bottom row, left to right: Detailed Dogs: A Complicated Canine Coloring Book \ Dogs Stained Glass Coloring Book \ Beautiful Dog Breeds: Adult Coloring Book, Wild Color Vol. 2