ISBN 9781585916887 books & textbook
Middle School Inquiry Investigative Earth Systems Teacher's Edition Unit 1 Our Dynamic Planet (It’s About Time)
Janet J. Kolodner Joseph S. Krajcik Daniel C. Edelson Brian J. Reiser Mary L. Starr
Herff Jones Education Division /2009T Paperback
isbn-10: 1585916889 / isbn-13: 9781585916887
