Now, the company’s success is colouring-in books: they dominate the market, with 30 titles currently in print, and the market is huge.

Join Sarah’s mailing list and get a FREE guide to boosting your mood, and an exclusive short story by Sarah, The Polka Dot Umbrella. Due to the sheer amount of books I've had to review I am only just embarking on the book itself, but as this blog might reach people with dehabilitating anxiety I shall be doing my first non-colouring book review on it in the near future so watch this space!While away the hours doodling and colouring in intricate and elaborate images from some of your favourite Harry Potter movies.

No missing or damaged pages, no tears, possible very minimal creasing, no underlining or highlighting of text, and no writing in the margins. She said sometimes, when really on edge, “if I haven’t had enough work or enough the week before, or there’s a big bill coming up, my husband will actually say, just go and do some colouring, and he’ll watch the telly.The attention to detail is impeccable and the coloring books are just so fun (and the paper quality is great, markers don’t bleed through or anything). These 4 or 5-star reviews represent the opinions of the individuals who posted them and do not reflect the views of Etsy. Most purchases from business sellers are protected by the Consumer Contract Regulations 2013 which give you the right to cancel the purchase within 14 days after the day you receive the item. The Michael O’Mara publishing empire is housed exactly as you would expect from a company that had no idea how fast it was going to grow. Adrian Greenwood, the deputy managing director at Michael O’Mara, said: “In 20 years of publishing, I’ve never seen anything like it.