C. M. Lewis is a multi-award-winning Welsh novelist, children's writer, playwright and screenwriter, who also writes as Caryl Lewis. Her breakthrough novel Martha, Jac a Sianco, widely regarded as a modern classic of Welsh literature, is on the Welsh curriculum, and the film adaptation - with a screenplay by Lewis herself - went on to win six Welsh BAFTAs. Lewis's other screenwriting work includes BBC/S4C thrillers Hinterland and Hidden. She has won Wales Book of the Year three times and is the only writer to have won in both languages. Caryl's work for children has twice scooped the Tir na n-Og Award, and has been shortlisted for both the Branford Boase and The Week Junior Awards. Quill and the Last Generation is her debut fantasy novel drawing on Celtic myths and the Welsh language stories of her childhood. Lewis is a visiting lecturer in Creative Writing at Cardiff University, and lives with her family on a farm near Aberystwyth.