The Deep End of the Ocean

The Deep End of the Ocean is a best-selling novel by Jacquelyn Mitchard, released in 1996. It is about an American middle class, suburban family that is torn apart when the youngest son is kidnapped and raised by a mentally ill woman, until he appears at the front doorstep of his real mother and asks if he can mow the lawn.

Source: Wikipedia — The Deep End of the Ocean (CC BY-SA 4.0)