Achievements Llwelyn has written three novels in Welsh. Seren Wen ar Gefndir Gwyn (1992) which won the 1992 National Eisteddfod of Wales prose medal and the Arts Council of Wales Book of the Year Award. O"r Harbwr Gwag i"r Cefnfor Gwyn (1994), winner of the 1994 Eisteddfod of Wales Prose Medal and British Broadcasting Corporation Writer of the Year Award, and Un Diwrnod yn yr Eisteddfod (2004).