Old Age is the Absence of Youth (And a Lot of Other Things) by Gene Perret and Linda Perret. A Collection of wit and wisdom about the joys and trials of gowing old gracefully…or not. This is the perfect gift for that person in your life who may not be over the hill but is quickly approaching it.. This is the 2nd book in the collection of gift joke books by Gene and Linda Perret. It is a hardcover with a cutout front cover featuring 175 original jokes on aging.