“The Sorceress of Karres” by Eric Flint and Dave Freer.
Title: The Sorceress of Karres Series: Karres Number in Series: 3 (three) Author(s): Eric Flint, Dave Freer Cover Artist: Stephen Hickman Language: English Publisher: Baen Books Published: January 2010 ISBN-10: 1439133077 ISBN-13: 9781439133071