Roberta Helmer is an American writer of Chinese art and culture and as Christina Skye is a best-selling USA Today and Publishers Weekly writer of over 23 romance novels. Her romance book have been traslated into 8 languages.

Roberta Helmer was born in Dayton, Ohio, U.S.A., an is a descendant of Revolutionary War hero Adam Helmer. She attended the University of Pennsylvania and obtained a doctorate in classical Chinese literature at Ohio State University, where she learned to speak fluent Chinese, French, and Japanese. Later, she worked as translator and as a consultant to the National Geographic Society and the American Museum of Natural History. She lives in on the western slopes of McDowell Mountains in Arizona.