It’s classified! With intricate artwork and refreshingly simple language, Neil Packer’s introduction to the many ways of ordering things will thrill the detail-oriented among us.Meet Arvo. Now look at his family tree. Meet his cat, Malcolm, and check out Malcolm’s family tree, too. Whether people or cats, buildings or books, food or vehicles, there’s a category for everything. And in this mesmerizing narrative introduction to taxonomy, readers follow Arvo through his day to l