Ransom My Heart is a romance novel by Meg Cabot. It was released in the United States on January 6, 2009, concurrently with the novel Forever Princess. The book is, according to The Princess Diaries series, written by Mia Thermopolis as her senior project, where she told her friends at first that it was a book about Genovian oil. It was accepted for publishing during Forever Princess, the tenth book in the Princess Diaries Series. Source: Wikipedia (en)