Lynda Mugglestone, Professor of the History of English at the University of Oxford, joins Michael Rosen to talk about the new language that emerged from British experience in the First World War - from Zeppelinophobia on the Home Front to watching the pyrotechnics in the trenches. Jumping into an extraordinary archive put together by clergyman Andrew Clark at the time, they discover just how many words and phrases were coined to describe this brand new kind of warfare, and what they mean to us today