I first heard of the adult coloring book trend from my friend Myke, who described on various podcasts and Slack conversations how coloring mandala-like patterns helps him concentrate and relax while ...

Alex Bellos and Edmund Harriss’s Snowflake, Seashell, Star promises to be ‘both a field guide and a therapeutic exercise book’ Adults who are running out of cats and gardens to colour in as part of ...

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 ...