Royal Road to Fotheringay — Jean Plaidy

As the child-bride of the frail Dauphin, Mary Stuart was unaware of the ecstasies of the flesh. But the vibrantly sensual woman sleeping within her was soon awakened by two power-hungry men who seduced her and betrayed her in pursuit of their ruthless dreams.
Once aroused, the young Queen's need for love could be bound neither by religious faith nor by royal duty..

Mary, Queen of Scots, driven by desire, could follow only one road--a road that led her to scandal, treachery, and violence--the...ROYAL ROAD TO FOTHERINGAY