Celebrity memoirs for Christmas - review
John Dugdale discerns some palpable hits among the dudsLast year's showbiz autobiographies brought the genre into disrepute: the public sensibly shunned insipid efforts from TV stars they were assumed to adore; booksellers complained sales too often failed to match the hype because the market had been flooded with mediocrity; and the high dud-to-hit ratio forced chastened publishers to reassess the merits of flinging…