Edinburgh Book Festival round-up: Diana Gabaldon | Alistair Moffat | Simon Armitage

It's the beginning of the end for Scotland-set time-slip mega-series Outlander and author Diana Gabaldon was in town to tell fans all about the final book, while fellow shoe leather-burners historian Alistair Moffat and Poet Laureate Simon Armitage each talked of inspiring walks, writes Susan Mansfield.