'While biography is popularly understood as a literature that tells straightforward, factual life stories, it is – as a literary form – the site of considerable experimentation. This article maps current biographical experimental practice and enquiry against the background of innovation during the twentieth century. This includes a discussion of the form and craft of biographical innovation, including the practical, theoretical and methodological issues involved, much of which has been contributed by working biographers who also reflect on biographical form through the lens of innovation in their own practice.' (Publication abstract)