Keeping water clean /

McLeish, Ewan, 1950-

Keeping water clean / - Hove : Wayland 1997. - 48p. : col. ill., col. maps, col. ports. ; 28cm. - Protecting our planet .

Includes index.

0750220090 0.00 0750220090 9780750220095


Water - Juvenile literature
Water conservation - Juvenile literature
Water - Pollution - Juvenile literature

333.91