The Door Into Summer
Enlarge cover
Rate this book
Clear rating

The Door Into Summer

3.98 of 5 stars 3.98  ·  rating details  ·  12,353 ratings  ·  503 reviews
"Not only America's premier writer of speculative fiction, but the greatest writer of such fiction in the world. He remains today as a sort of trademark for all that is finest in American imaginative fiction."
—Stephen King

Electronics engineer Dan Davis has finally made the invention of a lifetime: a household robot with extraordinary abilities, destined to dramatically cha...more
MP3 Book, 0 pages
Published January 1st 2007 by Blackstone Audio, Inc. (first published January 1st 1957)
more details... edit details

Friend Reviews

To see what your friends thought of this book, please sign up.

Reader Q&A

To ask other readers questions about The Door Into Summer, please sign up.

Be the first to ask a question about The Door Into Summer

Community Reviews

(showing 1-30 of 3,000)
filter  |  sort: default (?)  |  rating details
Lance Greenfield
I really enjoyed this book from beginning to [almost] end. The reason for the "almost" will become apparent.

The story of time travel by various means was excellent. When reading this story, you should remember that it was written in the 1950s. Some of Heinlein's predictions are amazing, and some are way off the mark. It's amazing to follow his line of thinking though.

You can see an outline of the plot in the description. It is fairly predictable, but that didn't detract from my enjoyment of the...more
Another old favorite picked up as a downloadable audio book from the library. It was quite enjoyable in this medium & the reader was very good. Originally published in 1957, it is set in 'the future' years 1970 & 2000. The idea of traveling into the future via 'cold sleep' was a pretty popular until sometime in the 70's, but cutting edge at this time, I think. Haven't heard about it in humans for years.

The hero, Dan, is an engineer & inventor. His genius isn't in break through techno...more
Somewhat unusually for Heinlein, this is a cute, fun book which doesn't try to ladle a bunch of right-wing ideology down your throat, or O.D. you on dubious sex. There's some time travel, a sympathetic main character, a Bad Girl, and a cat who steals the show every time he appears on stage. He even gets the title: the reference is to his endearing habit, during winter months, of making the hero open each door in the house in turn, just in case one of them happens to lead into summer...
For today's standards it is a rather short novel with Heinlein still in his early stage, trying to develop the style that later led to his major works, and short is better in this case. It is told first person perspective and this makes things difficult for the narrative part but better for the introspective one.
There are no discussions of time travel issues or paradoxes to be solved, still the book is enjoyable, but if you want science fiction with any depth or emotional resonance, don't expect...more
Derek (Guilty of thoughtcrime)
I first read this many years ago—probably about the time in which it is set: it was published in 1957 (just before I was born) but most of the story is set in 1970 and the rest in 2000/2001. The only thing that really stayed in my memory was the reason for the title.

Dan Davis once lived in Connecticut in a house with twelve doors to the outside. In Winter, his cat Pete (Petronius the Arbiter) would make him open every door, looking for the one that led to Summer. Pete's not present for the
This review has been hidden because it contains spoilers. To view it, click here.
If ever I own a Cat his name will be Pete, for short.
I haven't previously managed to get through any of Heinlein's work, but I am nothing if not determined, so I finally picked this up and decided to have a jolly good go. And it was okay. The style is easy to read, conversational; matter of fact, even. It's almost not like reading a story, except of course you know that few of Heinlein's predictions work out (though he did predict the Roomba).

It's an interesting take on cold sleep/time travel, and a personal one. Dan isn't saving the world, he's j...more
I liked most of Heinlein's older stuff. Once he wrote "The Number of the Beast" he started writing too weird for me. This was one of his better ones. It is the first that I recall with a cat in it (he seems to have a reverence for cats) & an inventor who is a pretty smart guy but can still get himself into a world of trouble - and then back out again. Fun, quick read.
2.5 stars. Not a bad book, but not one of my favorite Heinlein stories. Still, overall it was a fast, decent read and I didn't regret having picked it up.
This review has been hidden because it contains spoilers. To view it, click here.
S.C. Jensen
I didn't read this book with the intention of writing a review, so you'll excuse me if I don't go into great detail. Let me just summarize "the feel" of the book...

It is not very often that I read a book that makes me smile the entire time I'm reading it; this is one of them. From the hilarious anachronisms of the 1950's Futurist to the brilliant side-kick cat, Pete. (Cat lovers will appreciate this book on a completely different level than other readers). I was laughing out loud at least once e...more
Maree  ♫ Light's Shadow ♪
The first time I read this book was years ago at the suggestion of a boyfriend and I don't know if that colored my opinion of the book or what, but I thought it was merely okay/didn't really like it. But in rereading, I find I have a much better opinion of the book and I'm not sure if it's just that I understand it better, having had that first experience, or if my tastes have changed since then (in boyfriends as well as books ;).

The Door into Summer is a classic time displacement novel and I ve...more
Robert A. Heinlein proves once again he can use a interesting plot that is both amusing and serious to make important points about society. This novel, which was quite funny in parts, tension packed in some passages, and brilliantly witty in other sections shows how Heinlein was able to mix a pleasing concoction out of good dialogue, interesting characters, a exciting plot, thought provoking topics, and a mixture of this both scientific and fictional. A nice, short weekend read, that is also goo...more
I liked it, but It was suggested to me I shouldn't give four stars to every book I enjoy, so here it goes for Heinlein. I really had no issues with The Door Into Summer, and Heinlein is one of my favorite SF masters.
I enjoy books that feature engineers as protagonists, and here we have one proto-geek singlehandedly inventing robotics in the 50's and failing rather spectacularly in the human relations department. later there's some time travel thrown in and some cryogenics, giving us a glimpse of...more
This review has been hidden because it contains spoilers. To view it, click here.
Oh, 1950s science fiction - is there nothing you can't do?

One of the downsides to our modern information age is that we have so much information available to us. If I see a reference on a blog or in a book that I don't know, it's a quick hop over to Google or Wikipedia to find out what it is, and if it's really interesting I can find myself learning about something I never knew before. And so, if I want to know more about cold sleep, robotics or time travel, there's a whole host of ways that I c...more
I’ve been meaning to rate this book for a long time. I’ve read it many times, which is rare for me. I think it is the most accessible, great, Science Fiction book of all time. If you never read SciFi or even if you’ve only read a little you will still like this book. And even if you don’t you can honestly say you tried a proper sample; a fair representation of the genre. And since I’m on a “taste one book from every genre kick” I think it’s important to try.

Let me tell you why this book rocks....more
Thom (T.E.)
Several people whose tastes I trust have read this novel and praised it as refreshing with a steady hum of unusual energy coursing through the tale and Heinlein's telling.

Damned if they weren't right. But, a major caveat: this story is old-school in more than one regard. It deals in time travels that both begin and end in periods that are both now of the past. To me that matters barely one whit. I was (slightly) put off by Heinlein's well-known strains of libertarianism and his peculiarly patron...more
Yep. Likeable ol' Bob! He'll chat your ear off if you'll let him. He's the guy that you met on that long bus trip back in the '70s, who wouldn't shut up for the entire duration of the 12-hour trip. You wish that you had never sat next to him, but you are too polite to move to another seat. Besides, he just might follow you, without realizing that you were trying to get away from him. Because he just HAS to keep telling you his story.

Okay, so Heinlein has this smooth, chatty style that's very aut...more
Keith Parker
I like the innocence and optimism of classic science fiction, and Heinlein does this as well as anyone.

This is one of Heinlein's masterpieces, with a protagonist not unlike Heinlein himself (independent engineer with a libertarian streak). To today's audiences his characters could seem cardboard or even trite. That's because, in a way, they are. But if you read this and other Golden Age SF it might help to view it as a "tall tale" told by your grandfather on the back porch, rather than a work b...more
Even for a novice Heinlein reader such as myself it was clear that this was one of his early adult novels. It's light on the philosophy and social commentary, light on pages and is a simple, enjoyable read.

There are a few interesting scientific advances put forward in the 190 pages, one of the fun aspects of reading classic science fiction, but the most fun is reading what they couldn't imagine. If ever you want confirmation of some of the great things we have access to in the 21st century you o...more
ah, Heinlein: when he's not completely off the fucking deep end into icky-sex territory(1), he's such a fun writer. I think a lot of times, the kookoo stuff in his later works overshadows his body of work as a whole, so it's nice to come back to one that's fairly free of insanity(2).

in classic Heinlein fashion(3), our protagonist is a salty, quick-witted, ex-military man, equally keen on being his own boss as he is on the aerodynamics of a woman's brassiere. he's an engineer working on household...more
A sports car on a twisty road of a time travel story, breezy and fun. I love reading (and rereading) the near-future SF classics to see which predictions have come to pass, and which have not. This one was written in the 1950s and set in 1970 and 2000, which gives both futures a House of Tomorrow hue, complete with house robot. Heinlein also predicted bellbottoms coming into fashion, though in the wrong future. The plotting is tight and clever, and the main character and his cat are worth rootin...more
Yeah, this was not my favorite Heinlein ever. It had such promise. I like Heinlein, I like time travel stories, win-win, or so one would think. Look, this isn't a horrible novel. It's an OK novel. The prose is serviceable, the tone is light and funny, the plot is...well it's alright. This all points to a book I will love. Unfortunately it was not to be.

The book is off-puttingly sexist in its treatment of the main female antagonist, even accounting for the time it was written. The protagonist do...more
Probably my favorite Heinlein book, a very light and entertaining story. Perfect pacing, a likeable protagonist, and an even more likeable cat, no superfluous details, and just so positive. And so what if the hero marries a woman later who he mostly knew previously as a child. I mean, Woody Allen did, but that was really creepy. Okay, best to leave that bit alone. Pretty harmless compared to Heinlein's later works.
Alice Lee
My first Heinlein, wasn't impressed. I heard some random dude on the bus one day loudly singing its praises and it piqued my interest, since Heinlein was an author I intended to try out anyway... Maybe this just wasn't the best first book to read. I'm thinking of trying Stranger in a Strange Land next; if that is another fail then, oh well, another author I don't care for.
Time travel type: Travel to the past via machine and travel to the future via cryogenics.
Likes: Pete, the cat ... and robots.
Dislikes: All the characters except the cat ... and robots.
Points of Particular Boredom: Business talk and the hero's pompous over-confidence in himself.
Plot summary: Why bother?
Si Barron
This is good- a short book and one that keeps reading itself. However it is pretty dated- not only in the technology but also in the social attitudes. It would be difficult to get away with the central love-story now with it's troubling undertones of peadophilia. You can see what is going to happen almost from the start but it's pretty enjoyable watching him go about it even if all the corporate legal stuff got somewhat dull after a while.

The writing was good- I'll have to check out more from th...more
Profundus Librum
A sci-fi szerzők annyi módját kitalálták már az időutazásnak – a hibernálás ráadásul az egyik leginkább „elhasznált” ötlet ezek közül. Vajon lehet még ehhez a témához egyáltalán izgalmasan, újszerűen és érdekesen nyúlni? Heinlein szerint (1957-ben) mindenképpen, ám felmerülhet a kérdés: vajon egy ilyen könyv 2014-ben is megállja még a helyét? Szerintem: simán. A szerző stílusa olvasmányos és vicces – a macskája meg egyenesen haláli. Heinlein mérnöki múltja miatt – maga is feltaláló volt, lásd az...more
« previous 1 3 4 5 6 7 8 9 99 100 next »
topics  posts  views  last activity   
Just finished this one 10 57 Apr 05, 2014 05:18PM  
SF Masterworks Group: The Door Into Summer by Robert A. Heinlein 1 2 Jul 19, 2013 05:43AM  
Time Travel: THE DOOR INTO SUMMER: General Discussion 70 87 Nov 14, 2012 07:36AM  
The Sword and Laser: eBook deal- Heinlein 3 55 Feb 04, 2012 10:50AM  
  • One Lonely Night
  • Mulengro
  • Gray Lensman (Lensman, #4)
  • A Mirror for Observers
  • The Year of the Quiet Sun
  • Fear
  • Rogue Moon
  • Way Station
  • The Weapon Shops of Isher
  • Pebble in the Sky (Galactic Empire, #3)
  • Trustee from the Toolroom
  • Inferno (Inferno, #1)
  • Orbitsville
  • Millennium
  • The Flying Sorcerers
  • The Space Merchants (The Space Merchants #1)
  • No Enemy but Time
  • Next of Kin
Robert Anson Heinlein was an American novelist and science fiction writer. Often called "the dean of science fiction writers", he is one of the most popular, influential, and controversial authors of "hard science fiction".

He set a high standard for science and engineering plausibility and helped to raise the genre's standards of literary quality. He was the first SF writer to break into mainstre...more
More about Robert A. Heinlein...
Stranger in a Strange Land Starship Troopers The Moon Is a Harsh Mistress Time Enough for Love (The World As Myth) The Puppet Masters

Share This Book

“I have spent too much of my life opening doors for cats—I once calculated that, since the dawn of civilization, nine hundred and seventy-eight man-centuries have been used up that way. I could show you figures.” 13 likes
“Nothing could go wrong because nothing had...I meant "nothing would." No - Then I quit trying to phrase it, realizing that if time travel ever became widespread, English grammar was going to have to add a whole new set of tenses to describe reflexive situations - conjugations that would make the French literary tenses and the Latin historical tenses look simple.” 9 likes
More quotes…