Heinlein's first novel published as a book, Rocket Ship Galileo, was initially rejected because going to the moon was considered too far out, but he soon found a publisher, Scribner's, that began publishing a Heinlein juvenile once a year for the Christmas season.

Surveying Heinlein's juvenile novels, Jack Williamson noted that while Rocket Ship Galileo remains " readable, with Heinlein's familiar themes already emerging ," it was a " sometimes fumbling experiment.

Surveying Heinlein's juvenile novels, Jack Williamson characterized Space Cadet as " a long step forward.

Surveying Heinlein's juvenile novels, Jack Williamson characterized Between Planets as " mov the series still farther from its juvenile origins toward grownup concerns.

Surveying Heinlein's juvenile novels, Jack Williamson described Starman Jones as " a classic example of the bildungsroman pattern " and noted that " with its bold symbolism, the book makes a universal appeal.

Surveying Heinlein's juvenile novels, Jack Williamson noted that Farmer in the Sky " has harsh realism for a juvenile.

Surveying Heinlein's juvenile novels, Jack Williamson characterized Red Planet as Heinlein's first genuinely successful effort in the sequence, saying that " Heinlein found his true direction.

Surveying Heinlein's juvenile novels, Jack Williamson characterized Heinlein's story as " a dream of personal freedom " written with " an enviable craftsmanship ", noted that the novel " carries its thematic burden tightly ", unlike Heinlein's later adult novels, and praised The Rolling Stones for its " sense of an accurately extrapolated future background, with all of the new technologies given an air of commonplace reality ".

Two of his novels, The Sky So Big and Black and The Duke of Uranium have been reviewed as having content appropriate for a young adult readership, comparing favorably to Robert A. Heinlein's " juvenile " novels.

" The phrase was inspired by science fiction author Robert A. Heinlein's juvenile novel Space Cadet.

In Robert A. Heinlein's " juvenile " novel, Citizen of the Galaxy, the protagonist was adopted by the captain of an interstellar trading ship which was named, " Sisu ".

* " I expect this to be my last venture in this field ; ' tain't worth the grief " — Heinlein's response to attempts to censor his juvenile novel Red Planet for language, violence, and references to reproduction among Martians on page 53.

They went on to say that " No one ever dominated the science fiction field as Bob did in the first few years of his career .” Alexi expresses awe in Heinlein's ability to show readers a world so drastically different than the one we live in now, yet have so many similarities.

Race was a central theme in some of Heinlein's fiction.

Some of the alien species in Heinlein's fiction can be interpreted in terms of an allegorical representation of human ethnic groups.

Unusual for science fiction at the time, but quite typical of Heinlein's works, the novel portrays several competent and intelligent female characters.

A more complete discussion of race in Heinlein's fiction is given in the main article on Heinlein.

This novel is Heinlein's only foray into the " alien invasion " genre within science fiction.

Social customs have changed somewhat, in a way typical for Heinlein's fiction ( i. e. having become more liberal, such as marriage contracts being possible with fixed terms etc.

Widely admired for its credible presentation of a comprehensively imagined future human society on both the Earth and the moon, it is generally considered one of Heinlein's major novels as well as one of the most important science fiction novels ever written.

Although the science fiction film Destination Moon is generally described as being based on Heinlein's novel Rocket Ship Galileo, the story in fact bears a much closer resemblance to The Man Who Sold the Moon, whose copyright date shows that it was written in 1949, although it wasn't published until 1951, the year after Destination Moon came out.

* Sargon, ruler of the Nine Worlds interplanetary empire in Robert Heinlein's 1957 science fiction novel Citizen of the Galaxy

Robert A. Heinlein's later books ( The Number of the Beast, The Cat Who Walks Through Walls and To Sail Beyond the Sunset ) propose the idea that every real universe is a fiction in another Universe.

The phrase and the acronym are central to Robert Heinlein's 1966 libertarian science fiction novel The Moon is a Harsh Mistress, which popularized it.

Robert A. Heinlein's science fiction novel Podkayne of Mars, as originally written in 1962, ended with the protagonist's death.

* The Man Who Folded Himself is a 1973 science fiction novel by David Gerrold that deals with time travel and the predestination paradox, much like Heinlein's.

Heinlein admirer and science fiction author Spider Robinson titled his introductory essay " RAH DNA ", as he believes this first, unpublished novel formed the DNA of Heinlein's later works.

In Robert A. Heinlein's science fiction novel The Rolling Stones, flat cats are a species of Martian animal.

Some early portal appearances in science fiction include A. E. van Vogt's novella Secret Unattainable ( July 1942 Astounding ), a radio episode of Space Patrol which aired October 25, 1952 ( in which it was called a " cycloplex " or a " hole in space "), and Robert A. Heinlein's Tunnel in the Sky ( 1955 ) and its " Ramsbotham jump ".

The Terran Federation is the fictional government of Earth and her space colonies in Robert A. Heinlein's 1959 science fiction novel Starship Troopers.

There is much detail to interest readers familiar with Heinlein's fiction and people interested in the history of the science fiction field.

*" Revolt in 2100 ", Robert A. Heinlein's science fiction book about rebellion against an American theocracy.

It is described in detail in Robert A. Heinlein's science fiction novel Citizen of the Galaxy, where the crew of a starship stops on a world whose nonhuman inhabitants practice a form of silent trade.

Of more direct relevance to the science fiction end of this genre is Robert A. Heinlein's The Moon Is a Harsh Mistress, which is highly regarded even by non-libertarian science fiction readers.

* Several of Robert A. Heinlein's books and stories in the 1940s and 1950s featured a Space Patrol, first appearing in " Solution Unsatisfactory "

Isaac Asimov's Foundation Trilogy and Robert A. Heinlein's Future History in the 1940s, Hal Clement's Mission of Gravity in the 1950s, and Frank Herbert's Dune in the 1960s, and many other science fiction classics all first appeared under Campbell's editorship.

In Robert Heinlein's novel Glory Road, the hero, Scar Gordon, reads a book of magic by Albertus Magnus and comments on love magic involving a wolf's burned hair.

* Robert A. Heinlein's short story " By His Bootstraps "

* In the timeline of Robert Heinlein's utopian novel For Us, the Living – written in 1939 but only published posthumously in 2003 – LaGuardia is elected President in 1951 and serves two terms as a militant reforming president, effectively nationalizing the banking system and instituting a system of Social Credit.

In Heinlein's view, grokking is the intermingling of intelligence that necessarily affects both the observer and the observed.

Bujold is one of the most acclaimed writers in her field, having won the prestigious Hugo Award for best novel four times, matching Robert A. Heinlein's record.

It appeared already in Heinlein's Red Planet and is a major plot element in Greg Bear's Moving Mars, Kim Stanley Robinson's Mars trilogy, and S. C. Sykes ' books.

* In one of Robert A. Heinlein's last novels, The Number of the Beast ( 1980 ), the heroes flee Earth in a car capable of flight in six dimensions and find several alternate versions of Mars, one which had been colonised by the British and another which is an improbable combination of Burroughs ' fabulous Barsoom with the home planet of the vicious Martians whose invasion of Earth was described by Wells.

* Nehemiah Scudder, the fictional antagonist in Robert A. Heinlein's short novel If This Goes On —

Robert A. Heinlein's 1949 novella Gulf offered a more neutral view of their use in general postal delivery.

Heinlein's experience in the military exerted a strong influence on his character and writing.

Heinlein's surgical treatment re-energized him, and he wrote five novels from 1980 until he died in his sleep from emphysema and heart failure on May 8, 1988.

After his death, his wife Virginia Heinlein issued a compilation of Heinlein's correspondence and notes into a somewhat autobiographical examination of his career, published in 1989 under the title Grumbles from the Grave.

Heinlein's archive is housed by the Special Collections department of McHenry Library at the University of California, Santa Cruz.

Alexei and Cory Panshin noted that Heinlein's impact was immediately felt.

Though some regarded as a failure as a novel, considering it little more than a disguised lecture on Heinlein's social theories, some readers took a very different view.

For Us, the Living was intriguing as a window into the development of Heinlein's radical ideas about man as a social animal, including his interest in free love.

There has been speculation that Heinlein's intense obsession with his privacy was due at least in part to the apparent contradiction between his unconventional private life and his career as an author of books for children, but For Us, The Living also explicitly discusses the political importance Heinlein attached to privacy as a matter of principle.

In 1957, James Blish wrote that one reason for Heinlein's success " has been the high grade of machinery which goes, today as always, into his story-telling.