  1997 - Simple Things Won't Save the Earth (Hardcover) → Paperback ISBN-13: 9780292731127 ISBN-10: 0292731124 Genres: Science & Math, Engineering & Transportation, Outdoors & Nature ?  1997 - Simple Things Won't Save the Earth (Paperback) → Hardcover ISBN-13: 9780292731134 ISBN-10: 0292731132 Genres: Science & Math, Engineering & Transportation, Outdoors & Nature ? |
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