Nancy Isaacs Klein is a native of Yonkers, NY. She is a graduate of Barnard College and has 4 children, 19 grandchildren and a lot of great-grandchildren. She is an active community volunteer. Her book, A Life of Joy, tells the story of her husband, Sidney B. Klein and includes some of his own writings about his adventures (mostly humorous) in the Marines, as an engineer, a father, grandfather and Orthodox Jew.
Nancy Isaacs Klein is also the author of Heritage of Faith, the biographies of her father, Moses L. Isaacs, and her grandfather, Rabbi Philipp Klein.