It is late autumn 1756, Jacob Murray and a band of rangers are locked in desperate pursuit of a Delaware raiding party that overran and massacred the garrison at Fort Stevens. Among the women and children taken prisoner is Jacob's wife, Maggie. Driven by guilt and anger, Jacob sets a furious pace that leads his men into dangerous unknown territory.Meanwhile the fate of the prisoners is made all the more tenuous when raiding party scouts report the death of Chief Tewea at Kittanning, and Maggie will soon be forced to reconsider everything she has ever thought about the 'savages' that have inflicted such havoc on her life.In a world at war where blood debts are constantly paid and incurred, decisions made can change the course of lives forever. For Maggie, Jacob and their son James, the pull of their blood will draw them into a winter none of them could foresee.The fourth book in the award-winning Gauntlet Runner series, Blood Lines once again transports readers to colonial America during the French and Indian War and offers a clear unsentimental glimpse into the history of the period through the eyes of its characters.