Eternally Young focuses on practical ways to make life better for people over 50.
Dr. B. F. Skinner called the book, An invaluable help for those who never give up on growing older, but do as much as possible to enjoy it.

This self help book on aging emphasizing simple high pay off ways to maximize ones function. One such idea is that by having more light, a frail senior can see much better. The problem is not the glasses, but that they need more light.