The Duke's Men Series by Kate Moore

In 1835 London, two stubborn souls from separate worlds clash and collide to find a missing child. When a threatening message warns Lady Phoebe Marchmont to stop searching for her missing younger brother, the Earl of Grafton, she rebels. Donning a disguise that permits her to move freely about London despite her youth and station, she entreats one of Scotland Yard’s secret detectives to assist her—but she wants to be involved with the investigation... moreIn 1835 London, two stubborn souls from separate worlds clash and collide to find a missing child. When a threatening message warns Lady Phoebe Marchmont to stop searching for her missing younger brother, the Earl of Grafton, she rebels. Donning a disguise that permits her to move freely about London despite her youth and station, she entreats one of Scotland Yard’s secret detectives to assist her—but she wants to be involved with the investigation.Former beat cop Robin Jones jumps at the chance to work a case that could prove him worthy to join the ranks of a secret group preparing to be Scotland Yard detectives. But finding the missing earl threatens to expose Robin’s youth as a troubled street urchin when he was one of the Duke of Wenlocke’s lost boys. Of the seven, he was the only one who refused help to find his family. Now Robin must face his past to help the determined and witty Lady Phoebe find her brother.The search moves from vibrant, decadent Soho to glittering ballrooms, peeling away their disguises and opening their hearts. less