Never Spar with a Viscount by Lindsay Lovise (Paperback)

Never Spar with a Viscount is a historical romance by Lindsay Lovise. Ivy Bennett escaped the marriage mart by becoming governess to Lord Brackley's sisters, and secretly teaches self-defense to women at night. When a spymaster known as the Dove gives her a mission, she agrees to a fake courtship with the enigmatic Owen Brackley to dodge her father's matchmaking. But women across London are falling ill, and the plan quickly gets complicated.