No longer just for kids, coloring books took the publishing world by storm in 2015. From Parisian sidewalks to ocean floors, art nouveau to James Franco selfies, these books promise mindful and creative escape. So kick back, relax, and get your color on.
  1. Enchanted Forest: An Inky Quest & Coloring Book by Johanna Basford
  2. Lost Ocean: An Inky Adventure and Coloring Book by Johanna Basford
  3. Secret Garden: An Inky Treasure Hunt and Coloring Book by Johanna Basford
  4. Magic Gold: Luxurious Designs to Color by Arsedition
  5. The Mindfulness Coloring Book: Anti-Stress Art Therapy for Busy People by Emma Farrarons
  6. I Heart Coloring by Felicity French, Felicity French
  7. Outside the Lines: An Artists' Coloring Book for Giant Imaginations by Souris Hong-Poretta
  8. Outside the Lines, Too: An Inspired and Inventive Coloring Book by Creative Masterminds by Souris Hong
  9. The Artful Mandala Coloring Book: Creative Designs for Fun and Meditation by Cher Kaufmann
  10. Underwater by Anastasia Catris
  11. Animorphia: An Extreme Coloring and Search Challenge by Kerby Rosanes
  12. The Vintage Coloring Book: Gorgeous Vintage Designs to Make Your Own by Editors Of Thunder Bay Press
  13. Secret Paris: Color Your Way to Calm by Zoe De Las Cases
  14. The Official A Game of Thrones Coloring Book by George R. R. Martin, Yvonne Gilbert (Illustrator), John Howe (Illustrator)
  15. Hidden Nature: A Coloring Escape for Grown-Ups by Toc De Groc
  16. Fantastic Cities: A Coloring Book of Amazing Places Real and Imagined by Steve McDonald
  17. Just Add Color: Tattoos by Carlton Publishing Group
  18. Art Nouveau: Coloring for Everyone by Skyhorse Publishing
  19. The Typography Coloring Book: Creative Coloring for Grown-Ups by Gillian Johnson
  20. Color Me Swooooon by Mel Elliott
  21. Colour Me Good: Modern Art by Mel Elliott
  22. Colour Me Good James Franco by Mel Elliott
  23. A Brothers Grimm Coloring Book and Other Classic Fairy Tales: Escape Into a World of Fantasy and Imagination