Poseidon's Deep

There is danger in the deep waters...The mers who are seeking the treasures of Atlantis have learned the secret of fire. Now Mielikki and her companions must face the challenge of the abyss.On the opposite side of the world, Pel and his friends are searching for a place to hide from mers and men.But no seas are safe any more. The Oldmers are searching for them. War is coming. And far down, on the edge of the abyss, an even deadlier hunter stalks the dark...Thus continues the story of Poseidon's Children, as they hunt for the Treasures, and are hunted themselves.