Katherine John is privileged to have published 9 crime books including a Quick Read, The Corpse’s Tale by Accent Press in English and translation.

In total she has published 40 novels (21 historical as Catrin Collier, 3 raunchy as Caro French, 3 novelisations of TV series as Katherine Hardy, 2 as K A John and 1 as K C Watkins). She also had three stage plays professionally produced before she began writing novels. Her first Catrin Collier Novel, Hearts of Gold was filmed and shown by BBC worldwide.

She frequently gives talks, lectures and participates in Radio/TV Arts/Documentary Programmes (BBC, ITV, local and commercial radio stations, S4C and more)