The Hamilton Men — Vanessa Devereaux

Tilly Nolan arrives in London looking for work. On the train ride there she heard that Dr. Hamilton is looking for a maid. On the hope that she can get the job, she arrives on his doorstep and catches a glimpse of the man himself. He both scares and fascinates her so when she's given the job she's torn between staying out of his way or purposely crossing his path. When he invites her to be trained as a physician's assistant, she jumps at the opportunity. There is however one condition. That he also be her teacher in learning about pleasures of the flesh.