جزئیات کتاب
فرمت
جلد سخت
صفحات
118
زبان
انگلیسی
منتشر شده
Apr 9, 1991
ناشر
Knopf Books for Young Readers
ISBN-10
0679917314
ISBN-13
9780679917311
توضیحات
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.