Where to Start13/09/2026Curadoria Literária7 min readUpdated on 27/09/2026

Frankenstein 1818 or 1831: what Mary Shelley changed and which edition to read first

The two versions preserve the same central plot but change structure, Elizabeth’s origin, the balance between responsibility and fate, and the authorial framing. Here is how to choose your first edition.

Dois livros antigos abertos com os anos 1818 e 1831, figura sombria ao centro, laboratório iluminado por vela à esquerda e cenário gótico com tempestade à direita.

If you can choose between the 1818 and 1831 texts of Frankenstein, you are not choosing between a “correct” version and a “wrong” one. The 1818 edition is the novel’s first published form; the 1831 edition is an extensive revision prepared by Mary Shelley for the Standard Novels series. The central plot remains recognizable, but the reading experience changes: the structure was reorganized, Elizabeth Lavenza’s history was rewritten, the language of destiny gained weight, and Mary added a new introduction about the book’s origins.

For a first reading focused on literary history, authorship, and moral responsibility, 1818 is often the most useful starting point, because you encounter the novel in its first published shape and can later see what 1831 changes. If you want the version that became the basis for many later reprints, prefer Shelley’s retrospective framing, and do not mind a more fatalistic tone, 1831 is an entirely valid choice. The key is knowing which text your print or digital edition actually reproduces.

1818 and 1831 at a glance

Aspect18181831Why it matters
PublicationFirst edition, published anonymouslyRevised Standard Novels edition, with Shelley’s authorship already publicly establishedIt changes the authorial and publishing context in which readers meet the novel
StructureThree volumes, 23 chapters, plus Walton’s lettersOne volume, 24 chapters, plus the letters; the opening was substantially reworkedIt affects divisions, pacing, and chapter references in classes and reading groups
Elizabeth LavenzaVictor’s cousin, the daughter of Alphonse Frankenstein’s sisterRecast as a child of Italian origin who is taken in and later adopted by the familyIt changes the Frankenstein family structure and the framing of Victor and Elizabeth’s relationship
Agency and fateVictor’s choices and opportunities to act differently remain more visibleThe revision adds and strengthens language about destiny, fatality, and forces that seem to direct eventsIt shifts the interpretive balance between personal responsibility and fatalism
ParatextA preface published with the novel and written by Percy Bysshe ShelleyA new introduction by Mary Shelley retrospectively explaining the work’s genesisReaders receive two very different frames for the same story

The structural change is more than simple renumbering

The 1818 edition appeared in three volumes. Its original organization helps reveal the symmetries and pauses of the novel as it was first published. The 1831 edition, by contrast, reorganizes the work into 24 chapters and reworks the beginning especially heavily.

Editorial notes from Romantic Circles point out that Shelley extensively rewrote the first chapter of 1818 and divided it into two chapters in 1831, while also making important changes to the opening of the old second volume. That means comparing “chapter 5” in one edition with “chapter 5” in the other can be misleading. For classes, citations, and group reading, always confirm the textual year used by the edition.

Elizabeth stops being Victor’s cousin

One of the easiest changes to spot is Elizabeth Lavenza’s origin. In 1818, she is the daughter of Alphonse Frankenstein’s sister and therefore Victor’s cousin, although she is raised in the same household. In 1831, Shelley removes that blood relationship: Elizabeth is given an Italian background, is first raised by a poor family, and is eventually taken into the Frankenstein household.

The Romantic Circles character guide summarizes the difference directly: Elizabeth is a cousin and adopted sister in the first edition and a foundling in the 1831 revision. The change does not alter her main fate in the plot, but it changes the family design, the degree of consanguinity in her future marriage, and the way she enters Victor’s domestic world.

1818 emphasizes choice more; 1831 gives fate more weight

An important interpretive difference lies in how the two versions frame Victor’s responsibility. In the first edition, his decisions — pursuing the principle of life, abandoning the newly animated creature, withholding information, and postponing action — carry strong moral weight. In the 1831 revision, Shelley adds formulations that make “destiny” and fatality more prominent in Victor’s language.

This does not mean that the Victor of 1831 ceases to be responsible for what he does. It means the moral atmosphere shifts. An introductory study from Cambridge University Press describes the 1831 revision as more strongly shaped by forces that limit human agency, while the 1818 text gives greater emphasis to the possibility of choice. Reading the two versions in sequence makes that change of emphasis visible without reducing the novel to a single thesis.

The 1818 preface and the 1831 introduction do different jobs

The preface to the first edition was written by Percy Bysshe Shelley, although it appeared with the novel without turning the book’s authorship into an undifferentiated collaboration. The Romantic Circles editorial apparatus records that Mary had written an earlier preface that does not survive, and that Percy wrote the text published in 1818.

In 1831, Mary Shelley added her own introduction and recounted the famous 1816 ghost-story challenge, Percy’s encouragement to expand the idea, and the vision that helped crystallize the creation scene. In the same introduction, she said that her alterations were mainly stylistic and that the core of the story remained untouched. Modern editors, however, point to substantive changes in characterization, structure, and emphasis. The 1831 introduction is valuable, but it is also a retrospective account written fifteen years after the summer of 1816, not a neutral recording of the creative process.

1818 is not a text untouched by Percy Shelley either

Choosing 1818 does not mean choosing a version completely isolated from Percy’s editorial participation. The Shelley-Godwin Archive, which brings together digitized manuscripts, shows that Percy made suggestions and alterations while the drafts and fair copy were being prepared. The archive can distinguish Mary’s and Percy’s hands in parts of the manuscript.

So the most useful contrast is not “pure Mary” versus “revised Mary.” It is better to think in terms of two different authorial and editorial stages: 1818 preserves the novel’s first published configuration, formed during the 1816–1817 composition process; 1831 shows Mary Shelley returning to the book years later and reshaping it for another period of her life and a different publishing context.

Which edition should you read first?

  • Start with 1818 if you want the earliest published shape, want to study responsibility and agency, plan to compare revisions later, or want the novel in the radical Romantic context of Shelley’s youth.
  • Start with 1831 if you want Mary Shelley’s later revision, value the autobiographical introduction, prefer the 24-chapter organization, or are using a modern edition that explicitly states it follows this text.
  • For a class or book club, use the edition chosen by the group. Mixing 1818 and 1831 can create confusion over chapters, passages, and characterization.
  • If your goal is to compare both, the sequence 1818 → 1831 is usually more revealing: first you encounter the initial published form, then you can see the revision decisions.

If you are buying a copy, check the copyright page, editorial introduction, or note on the text for phrases such as “1818 text,” “1831 text,” “first edition,” or “revised edition.” Some modern publications also create hybrid texts, using the 1831 wording with 1818 chapter divisions; in that case, the editorial note is more reliable than the cover.

So is there a definitive edition?

Not in the sense of one version making the other unnecessary. The 1818 edition is essential for understanding the first published Frankenstein and the context of its composition. The 1831 edition is essential for understanding how Mary Shelley later reinterpreted and presented the novel. The textual history documented by the Shelley-Godwin Archive and by Romantic Circles’ comparative editions shows a book that continued to be revised over time.

If you want one practical rule: when both are equally available, read 1818 first and treat 1831 as a second reading that reveals another Mary Shelley — not as a mandatory correction of the first. If the edition available to you is 1831, however, you are still reading an authorial, historical, and central text in the Frankenstein tradition.

Sources for checking both versions

Topics in this articleclássicosediçõesFrankensteinliteratura góticaMary Shelley