Christine Sopko222 reviews2 followersFollowFollowJune 17, 2020Having the earth be an oblate spheriod changed my world view. Our globes are misrepresented! How a perfect sphere behaves vs an oblate is different. The book is outdated now but it is still good for references.
Carol7 reviews1 followerFollowFollowMay 9, 2012Very easy to understand for non-scientist. Great charts and well organized.