The Strange Case of Dr. Jekyll and Mr. Hyde

words removed
25,792
marks left
5,284
words a sentence
18.8
most used mark
,

Its punctuation fingerprint: each mark's share, on the same scale as every book on the shelf.

Its punctuation twin, the closest fingerprint on the shelf: Kidnapped, Robert Louis Stevenson. More twins

Robert Louis Stevenson on the shelf

6 books by Robert Louis Stevenson are on the shelf. Its fingerprint is the 5th closest of the 6 to their average. Held out and guessed from its marks alone, the shelf takes it for Jane Austen. Of the 623 other authors on the shelf, Robert Louis Stevenson's punctuation is closest to Elizabeth Cleghorn Gaskell's.

Robert Louis Stevenson's average fingerprint

Robert Louis Stevenson on the numbers page

Marks per 1,000 words, except words per sentence and dialogue (the share of words inside quotation marks).
This bookRobert Louis Stevenson's averageEvery book's median
Semicolons20.414.57.2
Commas79.581.976.6
Colons1.91.91.6
Exclamation marks2.15.12.8
Question marks4.74.43.7
Words per sentence18.818.617.0
Dialogue29%28%22%

Every mark in reading order, left to right, top to bottom. Sentence endings are pink.

Read your own or go back to the shelf

Share it on Hacker News, Reddit, Bluesky, Threads, LinkedIn, X, or .