Shadow on the Highway (The Highway Trilogy #1) - Deborah Swift

Abigail Chaplin has always been unable to find a position as a maidservant like other girls, because she is deaf. So why do the rich Fanshawes of Markyate Manor seem so anxious to employ her? And where exactly does her mistress, Lady Katherine, ride out to at night?

SHADOW ON THE HIGHWAY is based on the life and legend of Lady Katherine Fanshawe, the highwaywoman, sometimes known as The Wicked Lady. A tale of adventure and budding romance set in the turbulent English Civil War, this is a novel to delight teens and adults alike.