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 Fiancee in 1914, which was the subject of two films: His Official Fiancee (1919), silent film directed by Robert G. Vignola and Hans officiella fastmo (1944), Swedish movie directed by Nils Jerring.