As host of “Off the Page,” a literary chat program on Washingtonpost.com, Burns has interviewed more than 40 authors-from Pulitzer Prize winners Edward P. Jones and Richard Ford to newcomers Doreen Baingana and Hannah Tinti-and here she collects those Q&A moments “when I knew I was hearing something extraordinary,” including A.S. Byatt noting that she sees her writing in blocks of color and Martin Amis referring to himself as a “yob.”