EBOOK
About
Join Planetron, a transformer robot, and his young friend Will on a thrilling tour of the solar system. It's a fast-paced planet-by-planet journey, filled with facts about the planets, moons, the sun, comets, asteroids, and stars. Fly through Venus' deadly sulfur clouds, drive across the sands of Mars, ride on a comet. And those are just a few of the adventures in the solar system awaiting you.