The Mistress of a King: Or The Memoirs of Lady Fitzherbert is a historical book written by Charles Langdale and published in 1892. The book is a detailed account of the life of Maria Fitzherbert, the mistress of King George IV of England. Maria Fitzherbert was a Roman Catholic widow who became the object of King George IV's affection. The book explores the relationship between the two and the scandal that ensued as a result of their relationship...