Also known as The Kraken Wakes.
It begins with a succession of strange meteorites impacting out at sea. Nothing more than a curiosity to the average observer. But to those in the know there are features to these events that suggest intelligence.
Mike Watson and his wife Phyllis are both reporters. While on their honeymoon travelling aboard a ship, they witness a number of these meteorites. They soon become involved in the international investigation.
When ships start disappearing the world over it becomes clear that something hostile has made it’s home deep in Earths oceans.
Humanity is no longer alone.