Earth Day: Keeping Our Planet Clean (Finding Out About Holidays): Landau, Elaine: 9780766017788: Amazon.com: Books
Our Moon: How Earth's Celestial Companion Transformed the Planet, Guided Evolution, and Made Us Who We Are: Boyle, Rebecca: 9780593129722: Amazon.com: Books
Our Planet Earth (God's Design): Debbie & Richard Lawrence, Answers in Genesis, Answers in Genesis: 9781626914421: Amazon.com: Books
The Planet Earth Collection (DVD) : Various, Various: Movies & TV - Amazon.com