Have Space Suit—Will Travel was published by Charles Scribner’s Sons in 1958 as the twelfth and final of Heinlein’s juveniles — the sequence of young adult science fiction novels published between 1947 and 1958 that remains the finest sustained body of YA science fiction ever produced. Kip Russell, a small-town teenager, wins a used space suit in a soap company contest, refurbishes it meticulously, and is kidnapped by aliens while testing it in his backyard. He and Peewee, a precocious eleven-year-old girl, are taken to the Moon, to Pluto, and eventually to the Lesser Magellanic Cloud, where they must defend Earth’s right to exist before an intergalactic tribunal.
The Novel
The novel’s charm lies in its combination of cosmic stakes with small-town pragmatism. Kip approaches interstellar travel with the same practical engineering mindset he applies to rebuilding his space suit. Peewee — one of Heinlein’s most memorable child characters — is annoyingly brilliant and genuinely brave. The “Mother Thing,” a benevolent alien, is one of the few genuinely warm alien characters in Heinlein’s fiction.
The climactic trial scene — in which Earth is judged by beings of immense age and power — is the novel’s philosophical center. Kip’s defense of humanity is not abstract but personal: we are young, we make mistakes, but we are trying to grow up. Give us time.
Collecting Have Space Suit—Will Travel
First edition (Charles Scribner’s Sons, New York, 1958): Green cloth binding with Scribner’s “A” on copyright page. Dust jacket.
Market values (with dust jacket):
- Fine in dust jacket: $2,000–$6,000
- Very good in dust jacket: $800–$2,000
- Without dust jacket: $150–$400
As the final Scribner’s juvenile and one of the most beloved, it commands strong prices. Complete sets of all twelve Heinlein juveniles in first editions with dust jackets are exceptionally rare and valued at $30,000–$80,000.
Value trajectory (2016–2026): Approximately 2× appreciation. The Scribner’s juveniles have become increasingly desirable as nostalgia-driven collectors seek the books of their childhood. Fine jacketed copies are genuinely scarce.
Projected values (2026–2036): Strong continued appreciation. Fine/Fine copies should reach $8,000–$15,000.
The End of the Juveniles
Have Space Suit—Will Travel was the last of Heinlein’s twelve Scribner’s juveniles. His next novel, Starship Troopers (1959), was originally submitted to Scribner’s but rejected by Alice Dalgliesh, who found its militarism and political content unsuitable for young readers. Heinlein took it to Putnam, ending the twelve-year relationship. The juvenile sequence — beginning with Rocket Ship Galileo (1947) and ending here — represents one of the most sustained achievements in science fiction: twelve novels, each self-contained, each progressively more ambitious, culminating in this cosmic adventure that defends humanity’s right to grow up.
Heinlein’s Hard Science
The novel’s refurbishing of the space suit — Kip’s systematic testing, repair, and improvement of the equipment — is characteristic Heinlein: detailed, technically accurate, and presented with the conviction that understanding how things work is both virtuous and thrilling. Heinlein had been an engineer before becoming a writer, and his fiction treats engineering competence as a moral quality. Kip’s ability to survive on the Moon depends on skills he developed in his garage. The message is pure Heinlein: self-reliance, technical knowledge, and the willingness to think practically under pressure are the qualities that save the world.
Frequently Asked Questions
Is this Heinlein’s best juvenile? Most readers consider it a close contest between Have Space Suit—Will Travel and Citizen of the Galaxy. The former has more adventure and humor; the latter has more thematic depth. Both are masterpieces of the form.
Why was it the last juvenile? Heinlein’s next novel, Starship Troopers, was too politically provocative for Alice Dalgliesh at Scribner’s. She rejected it, and Heinlein left the publisher. The juveniles were always slightly too intelligent and too challenging for the YA market of the 1950s; it was perhaps inevitable that Heinlein would eventually write something that crossed the line.
What is the verdict of the intergalactic tribunal? Earth is granted a reprieve — not acquitted but given time to mature. The verdict is conditional, and Heinlein’s implication is that humanity must earn its place in the galactic community through moral development, not merely technological progress. It is one of the most hopeful conclusions in Heinlein’s fiction.