Barbara Taylor Bradford began her career at 15 as a typist for the Yorkshire Evening Post. In 1979 she wrote her first novel, A Woman of Substance, which went on to sell more than 31 million copies worldwide. It told the story of Emma Harte, a Yorkshire girl who founded a retail empire. The popularity of the heroine led Barbara to write a further 6 books in the Harte family series. The latest is Breaking the Rules, which returns to the themes of love, passion and revenge. Jane talks to Barbara about the enduring appeal of her work. Breaking the Rules is published by Harper Collins. ISBN 978-0-00-730407-3