It's 1977, and Theo and his class are creating a golden record like the one "Voyager 2" will carry into space as a greeting from Earth. But as he works on the project, other questions begin to surface: What happened to Theo's father in Vietnam? And why has his mother been keeping secrets?

Greetings from Planet Earth 2010, Scholastic Inc., New York, NY

ISBN-13: 9780439802048

Trade paperback

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Greetings from Planet Earth 2007, Scholastic Press, New York, NY

ISBN-13: 9780439802031

Hardcover

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