Mary Higgins Clark is a celebrated author of mystery and suspense, and has a net worth of $110 million. Mary Higgins Clark has sold over 100 million books in her lifetime and sells an additional 4 million each year. She received a $64 million advance on her next five books in 2011. Mary Higgins Clark has accumulated her net worth as a well published author of forty two best sellers. She is a writer of suspense, mystery and psychological thrillers. Her first novel was titled "Where are the Children" and was a huge hit. It was made into a feature film in 1986. Another novel, "A Stranger is watching," was also adapted into film, as well as many of her other novels, such as "The Cradle Will Fall," "Remember Me," "Where are you Now," and many others. Mary Higgins Clark was born in the Bronx, New Jersey in 1927 to Luke and Nora Higgins. She had two brothers, Joseph and Johnny. Even as a child she was interested in writing. She would write short plays, poems and started writing her journal at the age of seven. She received a scholarship from Saint Francis Xavier Elementary School to attend the Villa Maria Academy. After she graduated from high school she attended the Wood Secretarial School and in completing the course, got a Job with Remington-Rand. In 1949 she switched careers to become a flight attendant with Pan American Airlines, but in December decided to quit and become the wife of Warren Clark. The couple had five children together, Marilyn and Warren Jr. are both judges, their son David is the CEO of Talk Marketing Enterprises Inc., and Carol Higgins Clark is also a successful writer of mystery novels. Their youngest daughter patty is an employee of the Mercantile Exchange in New York. Mary Higgins Clark has also written non-fictional books, children's books, her autobiography and was at one time a script writer for more than one radio series. Her writing has won her many well deserved awards. She has also served as Chairman of the International Crime Congress, as well as President of the Mystery Writers of America. She is also part owner of the New Jersey Jets. In 2011 she was inducted into the Irish America Hall of Fame.