Monsters are real.
The final chilling book in the blockbuster Fathomless series delivers a terrifying roller-coaster ride of epic proportions..
But beneath the dark ice, they uncover things even deadlier, even more dangerous, than they could have ever imagined.
And she wants Cate and Jack with her - whether they like it or not.
With a recent spate of horrifying attacks, Sonya leads an expedition to put an end to the monsters for good.
And that these ancient monsters are not only alive but thriving.
It\'s from these icy depths that Sonya believes a remnant species of megalodon shark has been set loose.
Russian billionaire and former friend, Sonya Borashev, tells them of a newly discovered cave in Antarctica that leads deep beneath the frozen continent.
But the ghosts still haunt them.
Cate Granger and Jack Monroe are enjoying life far away from the deep-sea horrors of their past.
Monsters are real
