1. Enchanted Forest: An Inky Quest and Colouring Book by Johanna Basford
While away the afternoon and follow your quest through the enchanted forest with this beautiful book. Relax with intricate patterns from nature, and track down items within the book to complete a scavenger hunt, too.
2. The Tattoo Colouring Book by Megamunden
If you find colouring-in a bit twee, then toughen up with the tattoo colouring book. Shade in 3D designs to your heart's content, and maybe even find some inspiration for ink of your own.
3. Colourtation Brain Science by Dr. Stan Rodski and Jack Dowling
These colouring books have quite a specific focus: to help you destress in a work environment. In fact, some companies in Australia have given their employees the book. You don't need to do a 9-5 to enjoy colouring in these abstract patterns though.
4. Animorphia: An Extreme Colouring and Search Challenge by Kerby Rosanes
Follow your imagination with these intricate and surreal illustrations by Kerby Rosanes. Animals morph into one another, and tons of tiny details all add up to make a leopard's head. Sharpen your pencils, and your wits.
5. The Mindfulness Colouring Book by Emma Farrarons
The soothing lines and patterns in this colouring book will help you reflect and find calm. Small enough to fit in your coat pocket, take it with you when you travel, for clarity on the go.
6. The Art Therapy Colouring Book by Richard Merritt
This stylish colouring book lets you be as intricate as your heart desires. If colouring within the lines isn't your thing, go for bright washes and solid colours, while leaving other spaces blank. Take the jolly whale on the right, for example. Perfection.
7. My Own Very Hungry Caterpillar Colouring Book (The Very Hungry Caterpillar) by Eric Carle
Always wanted to colour-in your favourite hungry caterpillar? Now is your chance. Scribble and shade as he scoffs on apples, oranges, pickles, and more. Suitable for children, young and old.
8. My Wonderful World of Fashion: A Book for Drawing, Creating, and Dreaming by Nina Chakrabarti
Colouring goes couture with this book. Shade in fashion flashback designs from the 1970s, or add colour to pen-and-ink versions of Vivienne Westwood's garms.
9. Outside the Lines: An Artists' Coloring Book for Giant Imaginations by Souris Hong-Porretta
What makes Outside the Lines special is that it's not by just one artist. It features contributions from street artists, cartoonists, illustrators, and more – meaning that no two pages are the same. Ideal for doodlers who like to hop and skip from one style to the next.
10. Colour Me Good by Mel Elliott
Though scenes from nature are beautiful to colour in, why not ink a hunky face instead? Artist Mel Elliott offers up Cumberbatch and Hiddleston colouring books. Can't choose? She's also got a general heartthrob version, too. What more could you want?
11. Colour Me Mindful: Underwater by Anastasia Catris
Take a deep breath and plunge underwater with these dreamy designs. With bigger pieces like the above undersea scene and smaller focused sketches (like a friendly starfish), this book will help you chill out big-time.
12. The Artists Colouring Book of ABCs by Charlotte Colbert
An illustrated alphabet featuring contributions from some of the biggest names in art (like Tracey Emin, above), the Colouring Book of ABCs makes for a cultured colouring book fave.
13. The Modern Art Doodle Book
If you'd like to learn as you colour, try this one. The Modern Art Doodle Book is a mixture of art history and exercise book. Find out about the styles of famous artists, then follow the instructions on the next page to emulate their work.
14. Bun B's Rap Coloring and Activity Book by Shea Serrano
The perfect colouring book for hip-hop fans. A collaboration between rapper Bun B and writer Shea Serrano, there are illustrations to colour in, activities to cut out and keep, and more. Drake's a fan.
16. The Can't Sleep Colouring Book (Creative Colouring for Grown-Ups) by Michael O'Mara Books
Swirly and intricate, these soporific sketches will help you relax after a stressful day, and zone out enough to drift off. Plus the sleepy sheep on the cover are the cutest thing ever.
17. Mid-Century Modern Patterns by Jenn Ski
The terribly chic abstract pieces in this book will not only help you relax, you can also hang them on the wall once you're done. Assuming you've kept inside the lines, of course.
Want some more recommendations? Try these out.