Catrin Collier is Wales' most prolific and well-known author of historical, romantic fictions. The daughter of a Prussian refugee mother and Welsh father, she grew up in Pontypridd. She has written 19 novels for Orion. Her first historical novel Hearts of Gold, was filmed as a mini-series by the BBC in 2003. She lives with her family on the Gower Peninsula, near Swansea. She also writes crime fiction under the pen name Katherine John.