Kyleigh Leddy is the author of the memoir The Perfect Other: A Memoir of My Sister (HarperCollins), which is based on her New York Times Modern Love essay “My Sister Disappeared Years Ago. I See Her Whenever I Want.” Her essays and articles have also appeared in New York Magazine, Parents, People, QCODE, and the Journal of Experimental Psychology, among others. She has worked for Parents magazine. She holds a BA from Boston College and an MSW from Columbia University.