THE FIRST MINE

· The Deep Vein Book 6 · Deep Ground Press
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About this ebook

Every anomaly across five books has been pointing here: the network's oldest chamber, buried beneath the same Sulawesi highlands where this series began. What the coalition finds inside — the Builders' original mission, their reasons for leaving, and a record of everything the network has quietly done since — forces a decision no framework has prepared them for: what does it mean to inherit something this old, and who gets to decide what happens to it next.

With national interest, corporate pressure, and a general reviewing the discovery in person, THE FIRST MINE brings THE DEEP VEIN's central question — custodianship versus ownership — to its sharpest point yet, at the site where the whole series started.

The penultimate book in the series, setting up the seven-book arc's final descent.

Every anomaly across five books has been pointing here: the network's oldest chamber, buried beneath the same Sulawesi highlands where this series began. What the coalition finds inside — the Builders' original mission, their reasons for leaving, and a record of everything the network has quietly...

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Ratings and reviews

1 review
Titih Mardiah
September 7, 2026
Absolutely amazing sci-fi book about geology and mineral mining, very interesting and exciting ☺️ the concept is awesome, recommended book
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About the author

Andi is a geological engineer and senior technical professional with more than seventeen years of experience across the oil & gas, mining, and infrastructure sectors in Indonesia and abroad. A graduate of the Geological Engineering program at Institut Teknologi Bandung, he has spent his career reading the layered testimony of rock — evaluating subsurface potential and reserves, assessing ground risk, and supporting resource development decisions from the oil fields of Sumatra and Java to the nickel deposits of Halmahera and the underground works of the Batang Toru hydroelectric project in North Sumatra.

It was this same work — the patient, disciplined act of interpreting what the earth has quietly kept for millions of years, and occasionally finding a reading that refuses to make the easy kind of sense — that planted the seed for The First Mine. Years spent staring at core samples, well logs, and seismic sections far older than any human civilization convinced him that the line between subsurface geology and genuine wonder is considerably thinner than most technical reports allow it to be.

A longtime reader of science fiction, Andi has always been drawn to stories that treat the unknown with the same rigor a good technical team brings to an ambiguous reservoir — skeptical first, patient always, and willing to let the evidence overturn a comfortable assumption when it has genuinely earned the right to. The First Mine is his first work of fiction, written in the conviction that the most interesting discoveries, in fiction as in fieldwork, are rarely the loud ones.


Andi is a geological engineer and senior technical professional with more than seventeen years of experience across the oil & gas, mining, and infrastructure sectors in Indonesia and abroad. A graduate of the Geological Engineering program at Institut Teknologi Bandung, he has spent his career re...

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