THE LAST QUEEN: Elizabeth II's Seventy Year Battle to Save the House of Windsor

From the turbulent loves of Princess Margaret to the tragic saga of Princess Diana, from the torments of Prince Charles to the arrival of Meghan Markle, tensions have gripped the House of Windsor. Through all this, Elizabeth II remained steadfast in her values while many of those around her seemed to lose their moorings. Irving examines the many pivotal events of the Queen's reign.