Madeleine Sophie Wickham, known by her pen name Sophie Kinsella, is an English author. The first two novels in her best-selling Shopaholic series, The Secret Dreamworld of a Shopaholic and Shopaholic Abroad, were adapted into the film Confessions of a Shopaholic (2009). Her books have sold over 40 million copies in more than 60 countries, and been translated into over 40 languages.