The QR Code Is Part of the Book.

Treating the answer key as a web page rather than back matter changed how we set the last forty pages of every volume.

Draft. Replace this file’s body with the finished entry — the layout is driven entirely by the Markdown below.

A second-level heading

Paragraphs hold to a 36rem measure. Headings, pull quotes and images may break it; body copy never does.

The point of an editorial layout is that the reader never has to think about the layout.


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