KATHRYN DEN HOUTER was a teacher and a psychologist for 45 years. She is now enjoying retirement and reading all the books on her wish list. Thirty years of her professional life were spent in Grand Rapids, Mich. Here she parented four beautiful children with her late husband Len. They raised them on a hobby farm near Lowell, Mich., a small town east of Grand Rapids. Her children — Jon, Jenna, Jessica, and Ben — are embarking on their own careers. She has remarried and lives with her husband, Jim. Their summer home is in Leelanau County, Mich., and their winter home is in Indian River County, Fla.