On another note and in keeping with Decoras point about the encyclopaedic approach something could be included on McAlpines position in the hours leading up to Margaret Thatchers decision to resign before the second vote especially as his role as an advisor to Margaret Thatcher is given prominence in the intro The sombre meal at which McAlpine and Denis Thatcher discussed Thatchers predicament is covered possibly in Norman Fowlers autobiography of the Thatcher era