Danuta, Pablo and Ling are not happy. They live on Mars and there are no visitors to their planet. Why not? Mars isn't boring! What can they do? Ling has an answer?
these kind of books are so great for those who want to start reading english but their english is not good and they want to advance and get better. its cool it got 5 levels the easy start - 1st lvl - 2nd ... and so on.