Amy Roberta (Berta) Ruck, Mrs. Oliver Onions (1878 -1978) was a British writer of several short stories and over 90 romance novels from 1905 to 1972. She also wrote an autobiography and two memoir-style works. As Berta Ruck began to contribute short stories and serials to magazines from 1905. She published her first novel, His Official Fiancée in 1914,[4] which was the subject of two films: His Official Fiancée (1919), silent film directed by Robert G. Vignola and Hans officiella fästmö (1944), Swedish movie directed by Nils Jerring.