The Big Four

words removed
56,351
marks left
14,760
words a sentence
10.6
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: The Case-book of Sherlock Holmes, Arthur Conan Doyle. More twins

Agatha Christie on the shelf

14 books by Agatha Christie are on the shelf. Its fingerprint is the 8th closest of the 14 to their average. Held out and guessed from its marks alone, the shelf takes it for Edgar Wallace. Of the 623 other authors on the shelf, Agatha Christie's punctuation is closest to Edgar Wallace's.

Agatha Christie's average fingerprint

Agatha Christie on the numbers page

Marks per 1,000 words, except words per sentence and dialogue (the share of words inside quotation marks).
This bookAgatha Christie's averageEvery book's median
Semicolons1.31.27.2
Commas67.266.176.6
Colons0.51.31.6
Exclamation marks3.95.52.8
Question marks11.912.43.7
Words per sentence10.69.917.0
Dialogue58%60%22%

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

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