Download or read book Be a Friend to Trees written by Patricia Lauber and published by Harper Collins. This book was released on 1994-01-30 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: Why should you be a friend to trees? Trees are a valuable natural resource. People depend on trees for food, and animals depend on trees for food and shelter. But most important, we depend on trees because they add oxygen, a gas we all need, to the air. While trees give us many wonderful products, we must also protect them because we can't live without them.