Title: Interaction of earth & time
First published: 1973
Description: IET was the third and final series of three developed and published by Rand McNally & Co. It was preceded by Interaction of Man and the Biosphere and Interaction of Matter and Energy. All were developed as hands-on, inquiry oriented texts for the middle grades.
Subjects: Study and teaching (Secondary), Earth sciences, inquiry, hands-on, Textbooks, Geology