Francesca Segal on debut novels from Nick Stafford, Ryan David Jahn and Gin PhillipsArmistice by Nick StaffordNick Stafford's adaptation of War Horse by Michael Morpurgo is one of the triumphs of recent London theatre and, hot on the heels of its success, Stafford has now published his own novel. Armistice covers similar historical territory and is another, although very different, story of wartime separation – a far more permanent one than that between soldier and stallion. Philomena's fiance, Dan, went to fight in the First World War and was shot – nothing new there, except that Dan was killed after the armistice, not before. Philomena is determined to understand why she lost him in a way that seems, if possible, ...