Royston, Angela, 1945- Digesting : how we fuel the body / Angela Royston. - Danbury, Conn. : Grolier Educational, 1998. - 48 pages : colored illustrations ; 29 cm. - Under the microscope ; . - Under the microscope (Danbury, Conn.) ; . Includes index. ISBN: 0717292657 LCCN: 98208563 Subjects--Topical Terms: Digestion--Juvenile literature.Digestive system.Digestion. Dewey Class. No.: 612.3 / R53