The Atom, Galaxies and Understanding was published in both hardcover and softcover form in 1960.
Summary: Starts with a simply introduction to atomic physics and then describes in an identical manner to his other books, the physics as described to Daniel by "Alan", however it doesn't mention the alien contact part of the story.
Library: Read the Contents
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By: Understanding Publishing Co, Frankmont, El Monte, CA
By: Understanding Publishing Co., Frankmont, El Monte, CA