"Be a Friend to Trees (Let's-Read-and-Find-Out, Stage 2)"

"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 produc...

詳細記述

保存先:
書誌詳細
第一著者: Patricia Lauber
フォーマット: 図書
言語:言語不明
出版事項: HarperCollins 1994
版:Revised
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