It started with fireballs raining down from the sky and crashing into the oceans' deeps. Then ships began sinking mysteriously and later 'sea tanks' emerged from the deeps to claim people. This book narrates how humankind responds to the threat of its own extinction and, ultimately, asks what we are...

It started with fireballs raining down from the sky and crashing into the oceans' deeps. Then ships began sinking mysteriously and later 'sea tanks' emerged from the deeps to claim people. This book narrates how humankind responds to the threat of its own extinction and, ultimately, asks what we are prepared to do in order to survive.