Let's-read-and-find-out about Mars Someday people from Earth may live on Mars. In this century, we will go to the planet to learn more about it. It will become our outpost in space -- our space colony.
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1 released bookLet's-Read-and-Find-Out Science, Stage 2 is a 33-book series first released in 1960 with contributions by Patricia Lauber, kate-duke, and 16 others.
