Moore, Rob, 1953- Why does electricity flow? : and other questions about electricity / Rob Moore. - 24 pages : illustrations ; 21 cm. - Why is it so science? Cambridge young readers. Level 6 . - Cambridge young readers. Level 6. . 1974 ISBN: 9780521137485 Subjects--Topical Terms: Electricity--Miscellanea--Juvenile literature. Dewey Class. No.: 537