Perri Klass is a practicing pediatrician in Boston, and the Medical Director of Reach Out and Read, a national literacy program for children. Her books include Other Women's Children, a novel, Baby Doctor: A Pediatrician's Training, a collection of essays, and, most recently, Love and Modern Medicine, a collection of short stories. (Lines from One Fish, Two Fish, Red Fish, Blue Fish by Dr. Seuss used by permission of Random House Children's Books.)