Don't Let Him In by Lisa Jewell

When Ash's mother, Nina, starts dating Nick Radcliffe, she becomes very uneasy. Her dad Paddy died a year ago, and the whole family still feels his loss. Meanwhile, in another English town, florist Martha wonders about her husband Alistair's absence. What the reader knows is that Nick and Alistair are the same person and it's likely that neither of those names are real. This man has swindled many women out of money, broken their hearts, and destroyed lives. Don't Let Him In is a page turner recounting how Ash (along with Paddy's first girlfriend Jane) begins to connect the dots of Nick's past. Can the women convince Nina that Nick is dangerous--and finally make Nick pay for all his evil deeds? One of Jewell's best...