Steven’s review of The Door Into Summer > Likes and Comments

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message 1: by Douglas (new)

Douglas Summers-Stay What I remember about the book was the things he invented, and how they compared to the actual things that existed in the present (Heinlein's future). Like I was really into CAD, then, and he invented a CAD machine. And his computers were just like intelligence in a vacuum tube or something,


message 2: by Steven (new)

Steven Yeah, I enjoyed his inventions too.


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