Item description for Set of 6 Science & Technology Activities Resource books and teacher's guides

Lot of 6 Science & Technology Activities Resource books. 3 student books and 3 teacher guides for them. The books are in really good condition.

-Optics student book (64 pages) ISBN 1-894318-68-4

-Optics teacher guide (88 pages) ISBN 1-894318-67-6

-Fluids student book (64 pages) ISBN 1-894318-72-2

-Fluids teacher guide (78 pages) ISBN 1-894318-71-4

-Water Systems student book (63 pages) ISBN 1-894318-80-3

-Water Systems teacher guide (88 pages) ISBN 1-894318-79-X