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Earth and Mars
R.K.Murthi
出版Unicorn Books, 2007-09
主題Nature / Sky Observation
ISBN81780610669788178061061
URLhttp://books.google.com.hk/books?id=jyp45fMf5uMC&hl=&source=gbs_api
註釋This is a novel for children who are aware of the vast expanse of the Universe that stretches unto infinity, and also of recent successes in space exploration.