More Than Time — Caroline Anderson

Sister Lizzie Lovejoy had made a point of keeping her private life just that, but the advent of consultant surgeon Ross Hamilton brought about the first cracks in her chilly façade. His warm humorous pursuit provided some entertainment for their colleagues, particularly a phantom cartoon artist, but Ross did not allow that to deter him, even after he discovered Lizzie's reasons for trying to protect herself. She was deeply attracted; she just didn't know if she could truly let down her guard…