Download or read book Greetings from Planet Earth written by Barbara Kerley and published by Scholastic Inc.. This book was released on 2010-09 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 1977, as twelve-year-old Theo struggles with a science class project on space exploration, questions emerge about why his father never returned from Vietnam and why Theo's mother has been keeping secrets for many years.