🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiSvenskaTürkçeРусскийไทย한국어中文日本語EntityQ427331· pop 17· linked from 109 articlesThe Door into Summer1957 novel by Robert A. HeinleinBook · Open LibraryAuthorRobert A. HeinleinFirst published1957Editions49SubjectsAmerican Science fiction, Cold Sleep, Hired Girl Inc., Science fiction, Time Travel, Fiction, science fiction, general, Artificial hibernation, Fictionvia Open LibraryConnectionsWashington, D.C.EntityNobel PrizeConceptCategories1957 American novels1957 science fiction novelsDoubleday (publisher) booksFiction about suspended animationHard science fictionNovels about catsNovels about robotsNovels about time travelNovels by Robert A. HeinleinNovels first published in serial formNovels set during World War IIINovels set in 1970