Abyss

The explosive sequel to the Greig Beck blockbuster FATHOMLESS.

Cate Granger is chasing ghosts.

The monster shark she once encountered was a remnant of the ancient world - one that had escaped an underwater lair previously sealed off for millions of years. At great cost, Cate and her allies had killed the beast.

So, no more ghosts, no more shadows. All gone.

Or so Cate thought.

A research ship is sound-blasting the deep seabed looking for petroleum signatures. But in doing so they disturb somethi...