The First 500 Words: What 36 Classic Novel Openings Measure Like
We ran the opening of 36 public-domain novels through Bookshaper's pacing analyzer. Here's what the numbers actually say.

Finding 1: openings don't have a 'normal' sentence length

Across the 36 openings, the average sentence runs about 24 words (mean 24.4, median 24.4). But the average is almost useless on its own, because the spread is enormous: from 10.9 words per sentence in the opening of Pride and Prejudice to 45.5 in Robinson Crusoe. That's a four-fold range in the very same task — writing the first page of a novel.
The more interesting signal is variation within each opening. Our analyzer scores rhythm as the standard deviation of sentence length relative to the mean (0–100); higher means more variety between long and short sentences. The openings averaged 73/100 — high. Several openings — Moby Dick, Great Expectations, Tom Sawyer, The Picture of Dorian Gray — scored a perfect 100. Strong openings rarely march in step; they mix a long, winding sentence against a short, flat one.
The sentence-length mix bears this out. Averaged across the corpus, opening prose is 27% short sentences (10 words or fewer), 35% medium (11–25), 22% long (26–40), and 16% very long (40+). Nearly two-thirds of every opening is short-to-medium, but the long and very-long sentences are always there too — almost 40% of the prose, doing the heavy descriptive lifting.
Takeaway you're free to ignore: the openings that 'work' aren't uniformly short or uniformly grand. They vary sentence length hard — that variance is the most consistent thing in the data.
Finding 3: the 'short punchy first line' is the exception, not the rule
The advice to open on a short, sharp sentence is real — and rarely followed. First-sentence length in our corpus ranged from 3 words (Moby Dick's "Call me Ishmael.") to 118 (the cascading "It was the best of times…" that opens A Tale of Two Cities). The median first sentence was 23 words. Only about a fifth of the novels opened on a sentence under 10 words.
The iconic short openers — "Call me Ishmael," "All children, except one, grow up" — are memorable precisely because they're unusual. Far more novels open on a long, subordinate-clause-laden sentence that sets a whole world in motion before the first period. Both work. Neither is the "correct" way to start.
(One honesty note, since rigor is the whole point here: our sentence detector is rule-based and splits on terminal punctuation, so an opening like "Mr. Utterson the lawyer…" gets clipped at the period after "Mr." — counting a spurious one-word first sentence. We left the artifact in rather than hand-cleaning the data; it's the same imprecision the live tool has, and we'd rather show it than hide it.)
The openings, book by book
A representative slice of the 36, oldest to newest. 'Avg sentence' is words per sentence; 'Rhythm' is sentence-length variation (0–100, higher = more varied); 'Dialogue' is the share of the first 500 words inside quotation marks.
| Novel | Year | Avg sentence | Rhythm | Dialogue |
|---|---|---|---|---|
| Robinson Crusoe | 1719 | 45.5 | 80 | 0% |
| Pride and Prejudice | 1813 | 10.9 | 94 | 74% |
| Frankenstein | 1818 | 27.8 | 60 | 0% |
| Moby Dick | 1851 | 14.7 | 100 | 0% |
| A Tale of Two Cities | 1859 | 38.5 | 76 | 0% |
| Great Expectations | 1861 | 29.4 | 100 | 4% |
| Middlemarch | 1871 | 41.7 | 57 | 0% |
| The Adventures of Tom Sawyer | 1876 | 11.9 | 100 | 54% |
| The Picture of Dorian Gray | 1890 | 26.3 | 100 | 19% |
| The Time Machine | 1895 | 13.2 | 73 | 57% |
| Heart of Darkness | 1899 | 19.2 | 52 | 0% |
| The Hound of the Baskervilles | 1902 | 11.6 | 83 | 64% |
| Peter Pan | 1911 | 15.6 | 81 | 2% |
| The Great Gatsby | 1925 | 31.3 | 44 | 5% |