West, David, 1956-

Helicopters / [by] David West. - 24 pages : color illustrations ; 24 cm. - Inside machines. . - West, David, 1956- Inside machines. .

Includes index.

Detailed illustrations introduce readers to the mechanics behind helicopters.

3-6. 8-11.

ISBN: 9781499483253 1499483252 9781499483314 (pbk.) 1499483317 (pbk.)

Subjects--Topical Terms:
Helicopters--Juvenile literature.