Terri was born in Plymouth. At the age of 9 she moved with her family to Cornwall, where she discovered a love of writing that has stayed with her ever since.

Terri is a hybrid author. Her historical fiction is published by Little, Brown, and she also writes crime for Hobeck Books, under the name R.D. Nixon. She is currently under new 3-book contracts for both genres.

Her most recent publication is Crossfire (as R.D Nixon). Terri also self publishes Cornish Mythic fiction: The Lynher Mill Chronicles.