Love, Lies, and Treasonous Spies (A Tenet Gentlemen's Club Regency Romance Book 1)

Sir Jack Sterling is on the trail of a spy when he encounters Miss Rachel Farnsworth at a masquerade. He knows it is wrong—very wrong indeed—to kiss his best friend’s sister, yet she tempts him like no other. After the spy threatens her life, he must take her into his confidence. They race to catch a killer, but at what cost to their hearts?