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The Closing Corner: Thorne & Linus: Cartographic Mysteries - Book 10 - The Final Volume
Paperback
Series: Thorne & Linus: Cartographic Mysteries, Book 10
Publisher: Independently Published
Published: Sep 16 2026
Pages: 322
Weight: 0.86
Height: 0.80 Width: 6.00 Depth: 9.00
Language: English
Four years. Nine commissions. One final line to close.
Silas Thorne has followed his father's trail across the American West one bearing at a time - through forged maps, disputed boundaries, buried histories, and men who would rather kill than be surveyed honestly.
Now the trail has brought him to the place Elias Thorne never meant the outside world to find.
Beyond a mountain notch lies a valley absent from every official map. Its people have guarded their ground for eighty years. Beneath the red rock rests a fortune in quicksilver ore - wealth enough to destroy the community that has survived by keeping it secret.
And Silas's father has disappeared.
Three mornings ago, Elias climbed the eastern shoulder to close a question about a fire burning on a schedule no kitchen ever kept. He never came back.
Before Silas and Linus can find him, another threat arrives on paper: a land claim built on a boundary that should not exist. Someone has found the valley's secret, altered the record, and started the legal clock. Nineteen days remain.
To stop them, Silas must do what the ground itself seems determined to prevent - run an honest survey where the compass cannot be trusted, uncover a fraud written into ten years of filings, and prove it before men with money, law, and time on their side turn a hidden refuge into another company claim.
For Linus Calloway, the arithmetic has never been more dangerous.
For Silas Thorne, the final bearing has always led here.
THE CLOSING CORNER is Book 10 - the final volume - of Thorne & Linus: Cartographic Mysteries, bringing surveyor Silas Thorne and gambler Linus Calloway to the end of the line they have been walking since the first book.
Some lines are meant to be followed.
Others are meant to be defended.
And every long road eventually reaches its final corner.
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