책 세부 정보
형식
하드커버
페이지
118
언어
영어
출판됨
Apr 9, 1991
출판사
Knopf Books for Young Readers
ISBN-10
0679917314
ISBN-13
9780679917311
설명
An overview of the environmental problems of land, atmosphere, water, energy, plants, animals, and people. Includes projects and a section on becoming an environmental activist.