The Protection of Love — Barbara Cartland

Meta Lindley is young, intelligent--and about to become a spy for Her Majesty Queen Victoria ... At the Queen's request, Meta and her brother have rented their beloved family Manor to a Russian Prince close to the Tsar... and Meta is to act as Governess to the Prince's sister. Meta has never imagined a maxi as handsome as the Prince, and his dark, mysterious depths irresistibly draw the innocent and lovely Englishwoman. But danger is near, for the Tsar's agents are everywhere. And Meta is torn between her unchallenged loyalty to her country and her tremulous, unspoken pledge to her heart's destiny. But it is the Gods of Love, not those of War, who can entwine two valiant souls in the silken bonds of eternal bliss...