Palace of Thorns (Ela of Salisbury Medieval Mysteries #7)

Salisbury 1227: Ela Longespée’s friend Alice de Gilbert bemoans her barren and loveless marriage, but Ela counsels her to remain faithful. When Alice’s husband is found dead, Ela must prove her friend’s innocence—or try her for murder.

The Ela of Salisbury Medieval Mystery Series
This series features a real historical figure—the formidable Ela Longespée. The young Countess of Salisbury was chosen to marry King Henry II’s illegitimate son William. After her husband’s untimely death, Ela served as High Sheriff of Wiltshire, castellan of Salisbury Castle, and ultimately founder and abbess of Lacock Abbey.