The excitement surrounding the marriage of Prince William to Kate Middleton has prompted four of Britain's top historical biographers to look closely at Royal Weddings from 1066 to the present day. Professionally, Alison Weir, Kate Williams, Sarah Gristwood, and Tracy Borman do events and television together, and are known affectionately, as the History Girls. They bring an elan, and a passion for detail and dramatic narrative to all their...