Kady Cross is een pseudoniem voor bestsellerauteur Kathryn Smith, die in Connecticut woont. Haar werk staat bekend om de combinatie van romantiek en mysterie, vaak gesitueerd tegen historische achtergronden. Ze blinkt uit in het creëren van verhalen met sterke vrouwelijke protagonisten en complexe plots die de lezer onderdompelen in spannende verhaallijnen.
520 In 1897, part-automaton Mila seeks an independent life in London's West End while Finley Jane plunges headlong into the Aether, hoping to outmaneuver the Machinist who has taken Griffin King captive.
In New York City, 1897, life has never been more thrilling-or dangerous
When Emily is kidnapped and ordered to transplant the Machinist's consciousness into one of his creations, Finley Jayne and her friends are forced to work with Jack Dandy, who compels Finley to evaluate her feelings for Griffin.
Twin sisters, one living in the Shadow Lands--the realm of the dead-- and one in the land of the living, are called upon to try and save a boy and his friends who have been marked for death by a long-dead serial killer.
Finley, who has a beastly alter ego inside of her, joins Duke Griffin's army of misfits to help stop the Machinist, the criminal behind a series of automaton crimes, from carrying out a plan to kill Queen Victoria during the Jubilee.