Ballard, Carol. Heart and blood : injury, illness and health / by Carol Ballard. - Oxford : Heinemann Library, 2004. - 48 p. : col. ill ; 28 cm. - Body Focus. . - Body Focus. . Includes glossary. Includes index. ISBN: 0431157154 Subjects--Topical Terms: Blood--Circulation--Juvenile literature.Heart--Juvenile literature. Dewey Class. No.: 612.1