Windmills of the Gods. The Sands of Time

In Windmills of the Gods, US Ambassador Mary Ashley is being stalked by a proficient and deadly assassin.
Suddenly she is plunged into a nightmare of espionage, kidnapping and terror. Only two men have the power to help her - but one of them may be out to kill her.

The Sands of Time, four nuns find themselves thrust into the hostile world they had abandoned for the convent when they become unwitting pawns in the struggle between the charismatic Jaime Miro, leader of the outlawed Basque nationalists, and the ruthless Colonel Acoca of the Spanish Army.