Rosen was born in Cornwall. She studied psychology at Oxford before moving back to the West Country.
Readers have downloaded over a quarter of a million copies of Rosen's books. Several titles have broken into the Amazon charts, including a number 1 humorous fiction bestseller.
A writer's retreat seemed the perfect chance for Dee Whittaker to take her mind off her marital difficulties.
However, she meets five of the most hideous writers ever to have mastered a QWERTY keyboard, and her problems quickly multiply. Things escalate further when the handyman winds up dead.
After fleeing from the island, Dee attempts to get her life back on track but begins to notice that something strange is going on. The stories written on the island are coming true and hers is next - complete with a murder.
Her estranged husband makes an unlikely sidekick as the two of them try to stop the literary copycat killing an innocent woman.