How to Teach Grown-Ups About PlutoA witty guide to Plutos discovery and demotion, which puts kids in charge. How to Teach Grown Ups About Pluto by Dean Regas is a charming book that explores the fascinating story of Pluto's discovery and subsequent demotion from planethood. Though Pluto has not been considered a planet since 2006, this diminutive celestial body continues to captivate and spark debate among people of all ages. In this delightfully witty book, astronomer Dean Regas