Eli Botkin, MS in Physics, has published a chapter titled “Still Finding Pleasure After 90” in a new book on aging, Aging Wisely . . . Wisdom of Our Elders, by Irving I. Silverman and Ellen Beth Siegel. The book is a compendium of essays by an extraordinary group of 75 seniors and the professionals who care for them, on a wide range of topics about how we age and how we can do so better.