The complete ten-book series
Books
Every book advances the route by one year and one harder kind of question. Read them in order—the map, relationships, evidence, and consequences all carry forward.
Mile Twenty-Four
Is it there?
In Alder, the North Road ends at Mile 23. The ditch does not. When ten-year-old Sam Calder finds evidence that the road continues, one small contradiction becomes the beginning of a much larger journey.
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The Bridge Beyond the End
Can I reach it and still turn back?
A year after Mile 24, Sam and Mara return north with real packs, real turnaround rules, and one unanswered question. The road reaches a broken bridge—and continuing now requires judgment, not just curiosity.
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The Town Off the Map
What actually happened?
Fresh tire tracks appear where Alder’s map shows nothing. Sam, Mara, and their growing team follow the road north and discover that a missing place is not the same thing as an empty place.
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The Road Through Blackwood
Which route is real?
Blackwood offers two old routes and two different warnings. One says slide. One says flood. Sam, Mara, Cal, and June have to stop asking which map is wrong and start asking what each warning belongs to.
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The Mountain Mile
What does my decision cost when conditions change?
The Mountain Mile survey is carefully planned, adult-led, and still vulnerable to changing conditions. Sam wants twenty more minutes. The mountain does not care whether the decision sounded reasonable when it was made.
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The People Who Stayed
Can a route function as a system for other people?
A caravan to Rill replaces dramatic obstacles with pumps, brackets, food, repair parts, trade, schedules, and people who have spent decades building ordinary lives around disconnection.
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The Broken Map
Can several conflicting maps all be correct?
The shared survey has four different Mile Sixes. When a field team becomes overdue, knowing which “Six” somebody meant becomes more than a map problem.
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The Far Side of the Pass
Can I trust evidence I did not personally gather?
A twenty-one-day expedition crosses the High Pass and basin toward Creston and Hollis. The field work is only half the challenge. The other half is learning to trust evidence gathered, preserved, and remembered by other people.
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The First Marker
Does finding something give me permission or authority over it?
The route to Zero House offers a bridge that can probably be rebuilt, a shortcut that would save days, a map almost complete enough to publish—and several reasons not to confuse ability with authority.
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Where the Road Begins
Who will maintain this after I leave?
The map is finally full. Now the communities have to decide which roads are current, seasonal, limited, historic, controlled, or still unverified—and who will do the work after the meeting ends.
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