Notes

[32] p. : col. ill.

Summary: 'Boffin Boy and Wu Pee are exploring the solar system. On the planet Mars they find an ancient building - with some dead Martians inside. Except they're not Martians, and they're not dead! Who are they? How did they get such a cool spaceship? And can they help our heroes save the Earth from being destroyed?'--Back cover.
lower age: 0