After Pedro reads about Mars, he wants to travel there. But when he learns it takes Mars 687 days to go around the sun—which means he’ll have to wait 687 days between birthdays—he decides to stay on Earth for a while longer.
Pedro Goes to Mars
Discuss the Book
Trip to Mars?
Pages 1–9
Dreaming of Mars
Pages 10–13
Birthday Calendar
Pages 14–19
Staying Put—For Now
Pages 20–24