Perri Klass is a pediatrician who writes fiction and non-fiction. She writes about children and families, about medicine, about food and travel, and about knitting. Her newest book is a novel, The Mercy Rule, and the book before that was a work of non-fiction, Treatment Kind and Fair: Letters to a Young Doctor, written in the form of letters to her older son as he starts medical school.
She lives in New York City, where she is Professor of Journalism and Pediatrics at New York University, and she has three children of her own. She is also Medical Director of Reach Out and Read, a national literacy organization which works through doctors and nurses to promote parents reading aloud to young children.