Touch the earth
By: ISIS (Individualized Science Instructional System)
Series: Individualized science instructional system (Series) -- [bk.25]; Individualized science instructional system (Series) -- [bk.25]
Publisher: Ginn
Published: 1981
Place of publication: Lexington, Mass
Language: eng
Number of pages: 76
Subjects: Study and teaching (Secondary); Geology
Notes: Accompanied by Annotated teacher's edition [ann.tch. ed.].