Download or read book Our Endangered Planet written by Suzanne Winckler and published by Lerner Publishing Group. This book was released on 1994 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: Because we depend on soil to help us live and work, we need to take care of this valuable part of our environment. This book will help you understand how soil is formed, how it has become endangered, and how you can protect this important natural resource.