Delia vs. Nigella

My two most trusted cook book authors are Delia Smith and Nigella Lawson and this Christmas I'm going to put them to the test. Last year I bought Nigella Christmas which fast became my Xmas cookery bible - I made chestnut soup, gingerbread cake and peanut-butter cups. I still want to make Bourbon glazed ribs, choc chip chili and chili jam but ran out of Christmas time to make them. This year cookery queen Delia has a new Christmas recipe book coming out, Delia's Happy Christmas, and it's top of my list of books to buy. Whose the better recipe writer? I'll let you know in December.