Knockout by Sarah MacLean

With her headful of wild curls and wilder ideas and an unabashed love of experiments and explosives, society has labeled Lady Imogen Loveless peculiar…and doesn’t know she’s one of the Hell’s Belles—a group of vigilantes operating outside the notice of most of London

Thomas Peck is not most of London. The brilliant detective fought his way off the streets and into a promising career through sheer force of will and a keen ability to see things others miss, like the fact that Imogen isn’t peculiar… Read more.