The Avenging Angel and the Spy by Susan Carroll

During the French Revolution, Belle Varens risked her life to help aristocrats escape the deadly kiss of the guillotine. But there was no escape from the painful memories of her past until she met Sinclair Carrington, a British spy with dark secrets of his own.
Sinclair rouses in Belle a passion she has long denied, but dare she trust her heart to a man who is a master of deception? Especially now when Belle is about to embark on the most dangerous mission she has ever undertaken—a plot whose target is none other than General Napoleon Bonaparte?

Can the Avenging Angel, secret agent Belle Varens, dare trust her heart to a spy who is a master of deception?