Elizabeth Marshall Thomas is the author of The Hidden Life of Deer: Lessons from the Natural World (2009), The Old Way: A Story of the First People (2007 and 2006),The Tribe of Tiger, The Harmless People, Warrior Herdsmen, The Hidden Life of Dogs, and the novels Certain Poor Shepherds, Reindeer Moon, and The Animal Wife. She lives in Peterborough, New Hampshire.