Although it may be a little early to start predicting hard and fast trends, the recent successes of two to all intents and purposes self-published health books may be highlighting an interesting phenomenon. Anxiety Rebalance by Carl Vernon made the overall Amazon UK bestseller list last month and is still hanging in and around the top 20. Learn to Live by Mats and Susan Billmark stayed on the top of the Swedish bestseller list for weeks last year and its English release looks to be following suit.

Carl Vernon, author of Anxiety Rebalance, is the most recent success story in UK self-publishing. After weeks on the overall Amazon bestseller list, the author and speaker answered some of our questions about the reasons for his success, his level of control over the publishing process and how he used self-publishing as route to a traditional publishing deal.