'A dark, menacing book...a literary thriller of the highest order' Julia Crouch 'THIS IS THE WATER is this year's GONE GIRL: unexpected, immersing, challenging and up-to-the-minute relevant. A must read' Manda Scott This is a novel about a woman. About a mother. About a marriage. About a murder. In the brightly lit public pool the killer swims and watches. Amongst the mothers cheering on their swim team daughters is Annie. Watching her two girls race, she's thinking of other things. Her husband's emotional distance. Her lost brother. The man she's drawn to. Then she learns a terrible secret. Now her everyday cares and concerns seem meaningless. Annie knows she has to act. Above all, she must protect her children. Compulsively readable, it takes readers on a journey where none could guess the final outcome.