I'm an 85-year-old ghostwriter who's never been more in demand. I charge high prices, embrace my wrinkles, and live full out.

Judy Katz. Courtesy of Judy Katz Judy Katz, 85, thrives as a ghostwriter, running Katz Creative from NYC's Upper West Side. Katz ghostwrites books, offering full services for $150,000, and also provides manuscript feedback. She actively combats ageism, promotes staying active, and encourages embracing one's age. This as-told-to essay is based on a conversation with Judy Katz, an 85-year-old ghostwriter based in New York City. The following has been edited for length and clarity. I'm the fou...