Spelled backwards, her name is Alone. And that's exactly how 14-year-old Enola Holmes often feels in bustling 19th-century London. Continuing to elude her detective brothers Sherlock and Mycroft while trying to find her run-away mother requires great powers of observation—and numerous disguises. While posing as a Scientific Perditorian's assistant, Enola learns of Lady Cecily, a left-handed artist who mysteriously disappeared. Using a series of clever disguises, she braves lurking dangers to follow cryptic clues that lead to the young Cecily. But how can she possibly free Cecily from the mesmerizing clutches of a powerful Jekyll-and-Hyde fiend?