Evelina Cooper, the niece of the great Sherlock Holmes, is poised to enjoy her first Season in London Society. But there's a murderer to deal with, not to mention missing automatons, a sorcerer, and a talking mouse. In a Victorian era ruled by a council of ruthless steam barons, mechanical power is the real monarch and sorcery the demon enemy of the Empire. Nevertheless, the most coveted weapon is magic that can run machines -- something Evelina...

"As part of her devil's bargain with the industrial steam barons, Evelina Cooper is finally enrolled in the Ladies' College of London. However, she's attending as the Gold King's pet magician, handcuffed and forbidden contact with even her closest relation, the detective Sherlock Holmes. But Evelina's problems are only part of a larger war. The Baskerville affair is finally coming to light, and the rebels are making their move to wrest power from...