A Clockwork Orange

Burgess wrote the book in twenty-one chapters — three parts of seven — and that is how William Heinemann published it in Britain in 1962. When W. W. Norton brought it out in the United States in 1963 the publisher cut the final chapter, and that shorter twenty-chapter text was the only version available to American readers until 1986. Both texts are still in print, so the edition you pick decides which ending you get. Check the contents page: if it stops at chapter 20, you have the American cut.

No. Kubrick worked from the twenty-chapter American edition, so his 1971 film ends where that text ends and never reaches the final chapter of Burgess's original. A reader coming to the book from the film and picking up a British or post-1986 American edition will find one more chapter than they were expecting.

Nadsat is the teenage slang Alex narrates in — the name is from the Russian suffix for "-teen" — which Burgess built mostly from Russian, plus rhyming slang and Romany. There is no glossary in the original edition and none is needed: the vocabulary repeats in context until it reads naturally, usually within twenty or thirty pages. Burgess described the effect as a brainwashing primer, since the reader absorbs a few hundred Russian words without deciding to. Most readers find the first chapter the only genuinely slow one.

The novel was originally written with 21 chapters, but the final chapter was omitted from early American editions at the publisher's insistence to create a darker, more cynical conclusion. Most modern editions have restored this 21st chapter, which depicts the protagonist's eventual maturation and rejection of his former lifestyle.

The 1971 film directed by Stanley Kubrick is based on the truncated American version of the novel, meaning it excludes the final chapter and its themes of character redemption. While the author initially praised the film's technical brilliance, he later expressed frustration that the adaptation lacked the moral complexity of his original intended ending.

The invented slang is primarily derived from Russian, with the term Nadsat itself being a suffix equivalent to the English teen. The author developed this linguistic layer after spending time in Russia and intended it to distance the reader from the protagonist's violent actions through a unique, rhythmic vocabulary.