The Case of the Left-Handed Lady by Nancy Springer (2007) Phiolem Books

An Enola Holmes story about her tracking down a ‘kidnapped’ lady from an aristocratic family.  This is during unrest in London fomented by workers who feel they are being taken advantage of by the upper classes.  At the same time, Enola continues to try to contact her missing mother and evade the clutches of her brothers, Sherlock and Mycroft Holmes.