Stillhouse Lake by Rachel Caine

Gina Royal is the definition of average—a shy Midwestern housewife with a happy marriage and two adorable children. But when a car accident reveals her husband’s secret life as a serial killer, she must remake herself as Gwen Proctor—the ultimate warrior mom.

With her ex now in prison, Gwen has finally found refuge in a new home on remote Stillhouse Lake. Though still the target of stalkers and Internet trolls who think she had something to do with her husband’s crimes, Gwen dares to think her kids can finally grow up in peace… Read more.