She is the author of the fantasy series Green Rider which includes the eponymous first volume (nominated for the Crawford Award),[1] First Rider's Call, The High King's Tomb, Blackveil (nominated for the David Gemmell Legend Award),[2] and Mirror Sight.

Britain grew up in the Finger Lakes region of New York State, where she started her first novel — an undersea fantasy featuring herself and her friends — at the age of nine.

Her first ranger job was a seasonal position at Clara Barton National Historic Site in Maryland.

[6] Her many years as a park ranger enabled her to work in a variety of natural and historical settings, from 300 feet below the surface of the Earth to 13,000 feet above sea level on the Continental Divide; and from the textile mills of the American Industrial Revolution to the homes of Americans who changed the course of history.

[9] Green Rider introduces us to Karigan, "a young woman who went from being expelled from school to entering a world filled with dangerous magic.