Editore: Education Methods, Inc, 1966
Da: Second Chance Books, Independence, OR, U.S.A.
Prima edizione
Soft cover. Condizione: Very Good. 1st Edition. Light edge wear and rubbing, name on front cover. Book.
Paperback. Condizione: Good. covers have heavy wear and creasing, a few short edge tears, corners bumped, interior tight and clean, 123 pages, all about dirt, what it is, how it is formed and its classifications, question and answer self tests with answer mask laid in, bw illustrations Size: 5.5 x 8.25.