A little tweeting birdie pointed me to the website of one Carlton Hibbert, a U.K.-based illustrator and designer. Carlton has taken to posting intricate patterned images for download and coloring. The ...

This New York Times bestselling mindfullness coloring book has helped millions of people relax and instantly feel calmer as they color the uniquely designed patterns in this adult coloring book. Each ...

Those of us who grew up coloring remember the cardinal rule: stay inside the lines. But those who pick up the Patterns of the Universe coloring book have to stay in the sines (and cosines and tangents ...

For over 40 years, Venezuelan architect Rafael Araujo has been drawing the most beautiful illustrations of nature, entirely by hand. At an old drafting table he adeptly renders the mathematical ...