Mary Higgins Clark knows something about getting through tough times. She lost her father when she 11, her brother when she was 16, and her husband when she was 36—after which she was left to raise five children on her own. That didn't stop her from becoming one of the most successful suspense novelists of all time, writing 28 books that have sold 100 million copies in the U.S. alone. At age 81 she's still going strong. Her new book, Just Take My Heart, is on sale now. I reached her at her home in Saddle River, New Jersey. Read More