Cruel As the Grave — Sharon Kay Penman

April 1193. England's King Richard Lionheart languishes in a German prison, and treason scents the air. Richard's younger brother, John, seizes Windsor Castle, and Dowager Queen Eleanor of Aquitaine summons her trusted personal "queen's man," Justin de Quincy, to do the impossible--mediate a truce with her rebel son. Amid such fateful events, the murder of a Welsh peddler's daughter seems small. But the cruel demise of the beautiful Melangell so troubles Justin that not even a threatened French invasion can keep him from investigating her death... .