If, then a novel

In the quiet haven of Clearing, Oregon, four neighbors find their lives upended when they begin to see themselves in parallel realities. Ginny, a devoted surgeon whose work often takes precedence over her family, has a baffling vision of a beautiful co-worker in Ginny's own bed and begins to doubt the solidity of her marriage. Ginny's husband, Mark, a wildlife scientist, sees a vision that suggests impending devastation and grows increasingly par...