Journalist Abigail Pogrebin is many things—wife, mother, New Yorker—but the one that has defined her most profoundly is “identical twin.” As children, she and her sister, Robin, were inseparable. But when Robin began to pull a...

The author of Stars of David and a twin herself, journalist Abigail Pogrebin offers a poignant and personal look at what it's really like to live with your mirror image and tells the story of many twins who struggle to balance intimac...