The Observations, by Jane Harris. Another one of thos "Vic Lit" novels I've been reading recently, about a girl who goes to be a maid at a wealthy house in Scotland and uncovers secrets about the girl who held the post before her.
A Matter of Justice, by Charles Todd. Historical mystery set in 1920s England. ARC that's coming in the mail to me from somewhere.
Mistress Shakespeare, by Karen Harper. Historical fiction about the woman who was supposed to wed Shakespeare, before Anne Hathaway. To be published in February.