An Indecent Invitation by Laura Trentham

Lady Lily Drummond understands only too well the danger of spy work. Her father, a preeminent master spy, has been missing for months, and her brother barely survived his final mission for the Crown. Lily is still determined to help find her father, no matter how hard her brother and his best friend try to keep her in the dark. Busy trying to untangle the web of deceit surrounding the Earl of Windor’s disappearance, Crown spy Gray Masterson also has to ensure Lily Drummond, the gangly, awkward child who was his constant shadow growing up, doesn’t get herself ruined… Read more.