Earth /
Alexis Roumanis.
- 24 pages : color illustrations ; 22 x 25 cm.
- Planets Let's read .
Includes index.
What is Earth? -- How big is Earth? -- What is Earth made of? -- What does Earth look like? -- What is the Grand Canyon? -- What is Earth's moon? -- Who discovered that Earth is a planet? -- How is Earth different from other planets? -- How do we learn about Earth today?. -- Earth facts