Karen Watkins (née Jones, born 1948), writing as Catrin Collier, is a Welsh novelist known for her historical works, especially those in the Hearts of Gold series, set in her home town of Pontypridd between 1930 and 1950, the first of which was adapted as a BBC drama in 2003. She also writes under the pen names Katherine John/ K. A. John (crime novels), Katherine Hardy (novelisations of television programmes) and Caro French (modern fiction). Source: Wikipedia (en)