Dame Mary Barbara Hamilton Cartland, was an English writer, known as the Queen of Romance, who published both contemporary and historical romance novels, the latter set primarily during the Victorian or Edwardian period. Cartland is one of the best-selling authors worldwide of the 20th century.

A Hazard of Hearts is a 1987 made-for-television romantic drama film starring Helena Bonham Carter in one of her first major roles. It is based on a 1949 novel by Barbara Cartland.