Rosen was born in Cornwall. She studied psychology at Oxford before moving back to the West Country.
Readers have downloaded over a quarter of a million copies of Rosen's books. Several titles have broken into the Amazon charts, including a number 1 humorous fiction bestseller.
Here's the second in my series of spoof news articles designed to promote My Granny Writes Erotica - Threesome. Just hours after famous author Rosen Trevithick released her new darkly-comic novel, My Granny Writes Erotica - Threesome, a video featuring Rosen measuring a banana was leaked online