Audiobook Harvest of Swords, written by Nicholas Carter, is the fourth book in the series The Shadow on the Crown. Rivalry in love and battle in this historical adventure set in the English Civil War. In the late autumn of the first year of the English Civil War, William Sparrow and Hugo Telling are again caught up in the impossible confusion tearing the country and their lives apart. This time, their greatest battles, fought on both land and sea, are with a new enemy, Lord Clavincale.