"Éste era un niño que un día encontró un pingüino en la puerta de su casa"--Cover.
While trying his best to help a penguin that has shown up at his door, a boy journeys all the way to the South Pole, only to realize that the penguin was never lost.
Stranded on the moon after his extraordinary airplane takes him into outer space, a boy meets a marooned young Martian with a broken spacecraft, and the two new friends work together to return to their respective homes.