Murder in Mind by Amelia Pasch

Florence, 1497. An assassin threatens the life of the city's political leader.

Out of desperation - and hope - the Duke of Lorraine sends for his young widowed cousin and spy, Isabella, to unmask and stop the killer. Will the beautiful and resourceful spy be a victim of entrapment herself however, as she falls for the charms of the enigmatic Vittorio? Is he a potential enemy, or potential husband? How much is Isabella willing to sacrifice to complete her mission?