Editore: Science of Life Books Pty. LTD., Australia, 1972
ISBN 10: 0909911169 ISBN 13: 9780909911164
Da: Nealsbooks, Menominee, MI, U.S.A.
Soft cover. Condizione: Very Good. No Jacket. 3rd Printing. Pages are clean and unmarked. Cover corners and edges are unmarred. Binding is tight. 62pp.