Detalles del libro
Formato
Tapa dura
Páginas
118
Idioma
Inglés
Publicado
Apr 9, 1991
Editorial
Knopf Books for Young Readers
ISBN-10
0679917314
ISBN-13
9780679917311
Descripción
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.