Thinner Than Water (Paperback) by Hampton Sue
The one mistake that changed two families forever. Kim Braddock and Fizzy Duvall have never met yet their lives are inextricably linked. When the girls discover that they have been switched at birth the revelation sends a shock-wave through both families. When their identities are overturned Kim and Fizzy form a bond that changes them both as two families struggle with the truth. But as conflict deepens is their connection strong enough to survive?