Byles, Monica. Life in the Polar Lands : Animals ; People ; Plants / Monica Byles. - Chicago : World book / Two-Can, 1990- 1997. - 31 p ; ill. ; 28 cm. - World book ecology. . - 5(73)(03) (NLA) . ISBN: 0716652072 Subjects--Topical Terms: Polar regions--Juvenile literature. Universal Decimal Class. No.: 5(73)(03) (NLA)