One Night with a Spy — Celeste Bradley

For years, Lady Julia Barrowby has acted the part of an old man's ornamental bride, never revealing that she has secretly helped the ailing Lord Barrowby in his work with the Royal Four. Now that her husband has died, Julia believes his place in the Four is hers by right. But convincing the remaining members will not be easy, especially with Marcus Ramsay, Lord Dryden, distracting her at every turn. Somehow, the mysterious Marcus seems to see into her very soul, effortlessly satisfying all her secret, forbidden longings...

Marcus stood next in line to be chosen for the Four, and he is not willing to be displaced by a woman, no matter how intriguing or beautiful she may be. Under orders to investigate Julia, Marcus discovers her diary, overflowing with years of loneliness and yearning. Fulfilling Julia's fantasies is the perfect way to get closer to her, but seducing this fascinating creature is fast becoming more than a means to an end--it is his soul's deepest desire...