Twitter account, the former Sarah Ferguson said the novel, titled “Her Heart for a Compass,” is set in the Victorian era and is “about daring to follow your heart against the odds.”The duchess wore a Victorian-style outfit in the video and described her heroine as strong, rebellious and courageous.Publisher Mills & Boon, a romance imprint of British publisher Harlequin UK, said the story is based on Sarah's ancestor, Lady Margaret Montagu Douglas Scott, who fled an arranged marriage and “the