P.S. Duffy was born in central China and grew up in New England and Maryland. She spent 35 summers sailing in Nova Scotia where her family roots go back to the 1750s. She has a degree in History from Concordia University in Montreal, Quebec and a Ph.D. in Communication Disorders from the University of Minnesota. Currently, she is a writer in the neurosciences for Mayo Clinic Rochester, MN where she lives with her husband. The Cartographer of No Man's Land is her third book and first novel.