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Review title: The second half of "N-Space", from an SF master
Product review: There is not much to say here that I have not already said in my review of the paperback edition of "N-Space". Especially since "N-Space" and "Playgrounds Of The Mind" really are the first and second part of one, huge collection, I highly recommend that you pick up "N-Space" first, or better yet, buy both books, but be sure to read "N-Space" first.
