McKay's first book, The Exiles, was published in 1991
and went on to win The Guardian Children's Fiction Award. It was followed by The
Exiles at Home (1993) which won the Nestlé Smarties Gold Award for the 9-11
years category and the overall winner. Then followed The Exiles in Love
(1996). In 1994 she started on a new trilogy: Dog Friday (1994), The
Amber Cat (1995) and Dolphin Luck (1998).
In 2002 she published Saffy's Angel which won the Whitbread Children's Book Prize. The sequel, Indigo's Star, was published in 2004, and Permanent Rose followed in 2005. Caddy Ever After will be published in June this year.
She lives in a small village in Derbyshire (UK) and enjoys walking, reading and having friends to stay.