Les Belles-de-nuit ou les Anges de la famille (Beauties of the Night or The Angels of the Family) is an adventure novel by Paul Féval. It was first published as a roman feuilleton in the French newspaper from the September 21, 1849 to the April 27, 1850. The story takes place from November 1817 to November 1820 in Brittany and in Paris. The book is divided in five parts of unequal length.