Roger Erskine Longrigg (1 May 1929 – 26 February 2000) was a prolific British novelist. As well as publishing some books under his own name, he principally wrote popular novels in a wide range of different styles, using different pseudonyms for each. He wrote the lightly erotic school story, The Passion Flower Hotel, as Rosalind Erskine; Scottish historical novels as Laura Black; spy thrillers as Ivor Drummond; mystery thrillers as Frank Parrish; and black comedies about dysfunctional families as Domini Taylor. His other pseudonyms included Megan Barker and Grania Beckford. He had 55 books published in total.