<p>My dearest darling-<br><br><br>That partridge, in that lovely little pear tree! What an enchanting, romantic, poetic present! Bless you and thank you.<br><br>Your deeply loving Emily<br><br><br>Everyone knows the 'Twelve Days of Christmas', but not as rewritten by John Julius Norwich in this delightful correspondence, which records the daily thank-you letters from one increasingly bemused young lady to her unseen admirer. And who but...