Paul McKenna, PhD. Is an international best-selling author. His books have sold more than ten million copies and have been translated into 32 languages. He is the number one hypnotherapist in the World and is renowned for helping treat the most difficult problems. Recognised by The Times of London as one of ‘the World’s most important modern self-help gurus” Paul McKenna is the UK’s most successful non-fiction authors. I Can Make You THIN is the best selling self-help book in UK history.