Cover of The Hollow Tide
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The Hollow Tide

by Finn Gallagher

  • 20 min read
  • 12 chapters
  • Published 15 September 2025
Underground ExpeditionOcean DepthsMysterious MapFemale AdventurerFamily LegacyMoral DilemmaCartographySubterranean WorldCode BreakingGroup SurvivalEcological StakesOceanic MysteryNatural WonderFather's LegacySmall Crew
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About this book

Summary

A crack has opened in the mid-Atlantic, and the ocean is draining into it. Marine cartographer Lira Voss never wanted to follow her father's obsession with the impossible fissure, but his death left her the only person alive who can read the encoded charts pointing to what lies beneath. Now, descending with a crew of five into a luminous subterranean world governed by its own ancient rhythms, Lira faces a reckoning: the map promises revelation, but the cost of reaching it could collapse an entire hidden ecosystem—and everyone inside it.

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Chapter 1

Chapter One: The Map That Refuses to Lie

The map did not look like much: cracked vellum, faded ink, a smell of salt that had outlived continents. By afternoon light, the lines were ordinary. Under a tilted desk lamp, they shifted—edges running together like tidewater reclaiming a footprint. Each time Mara Singh pressed down a corner, the edges crept back to where they wanted to be.

Her father had drawn those lines. He named the breathing seam The Hollow Tide and left home saying he would come back with daylight under his nails. He didn’t.

At the restoration table, she coaxed the paper flat. Across the bottom margin, hidden under a bandage of glue and scratchings, she found a note in his neat block letters: Trust the wind-lines. Water lies. The wind remembers.

Corporate logos had been stamped across the copy she submitted for funding. Rusk Biologics had smiled at biodiversity. Investors had asked if the secret would be reproducible. Mara kept her face carved into a channel: enough to carry a boat, nothing more.

At night, when the lamp made the map drift, she cupped it in her hands and whispered the names she would not say aloud. Basalt. Undertow. Father.

Then she closed the lab, hauled the roll into her pack, and walked toward the only appointment that mattered.

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