About the book
A spoiler-light introduction.
Eira Black follows the Blackfire Line beyond Harthollow as the village’s debt learns to travel. What begins in local history moves into transport, infrastructure and the ordinary systems people trust to carry them safely home.
The second Harthollow novel widens the threat without loosening its roots. The line is not simply a route. It is a system that learns what people owe, then turns passengers, conductors and places into part of the collection.
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