2010 - Easy As Pi the Countless Ways We Use Numbers Every Day (Hardcover) ISBN-13: 9781606521342 ISBN-10: 1606521349 Genres: Reference, Science & Math 3 2009 - As Easy As Pi Stuff About Numbers That Isn't Maths [Just] (Hardcover) ISBN-13: 9781843173557 ISBN-10: 1843173557 Genre: Science & Math ? |