Feature · Stage 2, Map the book

How hard is your opening to read?

Most books that lose readers early lose them to density, too many invented words too close together, before anyone cares enough to learn them. This measures where your world-building actually falls across the manuscript.

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How it works

Counted from real positions.

1

Every mention has a position

Mentions are recorded as word indexes during the scan, so density is counted from the manuscript rather than estimated from chapter counts.

2

Front and back matter excluded

A title page and an also-by list are in the file but not in the story, and counting them would put a spike of series titles at word zero.

3

Read against the shape you intended

There is no correct curve. A dense opening is a deliberate choice in some genres and an accident in others - the point is to see which one yours is.

Use cases

What it shows.

Epic fantasy

Whether chapter one asks a reader to learn twenty words.

Sci-fi

A mid-book lull where the world stops being built at all.

Series

Comparing the on-ramp of book four with book one.

Agent submission

Checking the first three thousand words are enterable.

FAQ

Questions about density.

What is a good density?

There is no number to hit. Readers of epic fantasy expect a steep opening; a thriller with invented technology usually should not have one.

Does it count every mention or just first appearances?

Both, from the same scan, with the switch on the chart itself. Total mentions show where the world is busy; first appearances count each term once, where the reader meets it, and show where it is being taught.

Is this affected by chapter detection?

No. It is measured on word positions, which work identically whether or not chapters were identified.

See the shape of your manuscript.

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