Ephron began her career as a journalist at New York Magazine. How to Eat Like a Child, her first book, became a year-long best seller. It was adapted for television as a musical for NBC, and then adapted for the stage as a musical revue for children, with words and lyrics by John Forster. The revue, published by Samuel French, has been performed in over a thousand theaters and schools in the United States and Canada.
Teenage Romance, her sequel to How to Eat Like a Child, also became a best seller. She has written a book of essays about the divorced family called Funny Sauce, and several books for children, including Do I Have to Say Hello?, Santa and Alex and The Girl Who Changed The World.
She was the associate producer of Sleepless in Seattle, and the executive producer of You've Got Mail, Michael and Hanging Up.
Her humor, essays, and commentary have appeared in The New York Times Book Review, The New York Times and Vogue. She lives in New York City with her husband, writer Jerome Kass.
Delia Ephron Facts