Intra Terrestrial: What if they were already here ?
When her grandfather, an eccentric archaeologist, claims to have found a passage to an underground world, Raven doesn't believe him for a second.
But after his sudden disappearance, she receives a coded notebook accompanied by a strange necklace that vibrates when she touches it, and she realizes that something bigger is at stake.
An experienced caver despite her young age, Raven sets out to find him. At her side are Deagan Scott, a former soldier with a solitary and moody temperament, and a team of mercenaries tasked with protecting her. Because in the Amazon jungle, they are not alone. Others covet the notebook... and some are willing to kill to uncover the secret of the entrance.
In the bowels of the Earth, danger lurks at every turn. What they discover is beyond imagination: a forgotten civilization, ancient myths reactivated, and a truth capable of overturning everything humanity believes it knows.
But when Raven discovers what connects her to this hidden world, their mission becomes a race against death.
To hope to return to the surface, they will have to face inhuman forces... and survive the inconceivable.
INTRA TERRESTRE: an intense adventure thriller, combining science, mystery, and shocking revelations.
A head-on collision between the depths of the Earth... and those of humanity.
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