Who is the mother of myron bolitars son and why didnt he know the boy until he grew up in Long Lost by Harlan coben?

In "Long Lost" by Harlan Coben, the mother of Myron Bolitar's son is a character named Terese Collins. Myron was unaware of his son’s existence because Terese had kept the pregnancy a secret and later chose not to inform him about their child. This revelation becomes a significant plot point as Myron navigates the complexities of fatherhood and his past relationships.