Both
Y Gemydd (The Jeweler, 2007) and
Naw Mis (Nine Months, 2009) were shortlisted for the Wales Book of the Year award, which she won for the second time in 2016 with her tenth novel,
Y Bwthyn (The Cottage, 2015), and for the third time with her latest book, a collection of short stories,
Y Gwreiddyn (The Root, 2017). Her books have been selected by
Wales Literature Exchange for their Bookcase, the annual selection of titles recommended for translation. Caryl Lewis has also written extensively for cinema and television, notably adapting for film her own novel
Martha, Jac a Sianco (2008), which won several awards at home and overseas. Her TV credits include the Welsh scripts for the internationally successful bilingual crime series set in Wales
Y Gwyll / Hinterland, broadcast in over twenty countries, and
Craith / Hidden (BBC/S4C).