Ellen Fein is an author best known for co-writing The Rules: Time-Tested Secrets for Capturing the Heart of Mr. Right, a best-selling 1995 book. The book was co-authored by Sherrie Schneider. Fein went from almost an anonymous citizen to instant celebrity after the book sold 2 million copies.
When Fein filed for divorce in 2000, her credibility as an expert on relationships was questioned. Fein remarried on July 27, 2008.