Item description for Lot of 4 Science & Technology Activities Resource. 2 booklets, 2 teachers guide

Lot of 4 Science & Technology Activities Resource books. 2 student books and 2 teachers guides. They are used but in good condition.

-Water Systems student book ISBN 1-894-318-80-3

-Fluids student book ISBN 1-894-318-72-2

-Water Systems teacher's guide ISBN 1-894-318-79-X (has writing on one of the pages inside)

-Fluids teacher's guide ISBN 1-894-318-71-4