Mary Higgins Clark (born Mary Theresa Eleanor Higgins; December 24, 1927 – January 31, 2020) was an American author of suspense novels. Each of her 51 books was a bestseller in the United States and various European countries, and all of her novels remained in print as of 2015, with her debut suspense novel, Where Are the Children?, in its 75th printing. Higgins Clark began writing at an early age. After several years working as a secretary and copy editor, she spent a year as a flight attendant…