Questions tagged [the-door-into-summer]

For questions about the 1956 novel "The Door into Summer" by Robert A. Heinlein.

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18 votes
1 answer
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Continuity error in A Door into Summer - or very subtle clue

In Heinlein's The Door into Summer Dan is in 2000, trying to find someone he knew before he was involuntarily put into cold sleep in 1970, but he doesn't know what last name she would be using, and ...
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11 votes
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How did main character of "The Door Into Summer" take his own place in cryo chamber?

Long story short, in The Door Into Summer, the main character freezes himself and wakes up in the future. Then he goes back to the past using an experimental time travel, does his clever business, and ...
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