New York: Putnam, (2003.) dj. Hardcover first edition - The 11th mystery featuring Ranger Anna Pigeon - this one is set in the Dry Tortugas National Park, a series of small islands 70 miles off Key West in Florida, which served as a prison during the Civil War and later housed the Lincoln assassination conspirators. An interesting blend of modern mystery and historical fiction. 387 pp. Map endpapers. ISBN: 0-399-149759.