Does a neglected masterpiece by Jane Austen enshrine her first love affair? Who was Vita Sackville West's real grandfather? What clues are there to the identity of 'Walter', doyen of Victorian pornographers? When and why did P.G. Wodehouse mutate from hack to genius? Was Oscar Wilde really down and out in Paris? Was Brideshead really Madresfield? These and other excursions into literary or social history have developed out of Mark Girouard's spare...