The Bone Labyrinth by James Rollins

In the remote mountains of Croatia, an archaeologist makes a strange discovery:  a subterranean Catholic chapel, hidden for centuries, holds the bones of a Neanderthal woman. In the same cavern system, elaborate primitive paintings tell the story of an immense battle between tribes of Neanderthals and monstrous shadowy figures. Who is this mysterious enemy depicted in these ancient drawings and what do the paintings mean?…. Read more.

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Trigger and Content Warnings

  • Animal death
  • Animal experimentation
  • Graphic animal cruelty