Raymond Murphy on English Grammar in Use

Raymond Murphy is author of the world's best-selling grammar books for learners of English: http://www.selfstudy.cambridge.org/grammar.aspx This interview, a world first, was filmed by Cambridge University Press in December 2011. Raymond explains how the first English Grammar in Use book came to be written and how it has developed over the years. To try the online version for free, visit: http://englishgrammarinuseonline.cambridge.org