Titles:
The Wild Before
The Last Wild
The Dark Wild
The Wild Beyond

Piers Torday Collection 4 Books Set (The Last Wild, The Wild Beyond, The Dark Wild & The Wild Before):

The Wild Before:
One stormy, snowy night, a pure silver calf is born on an ordinary muddy farm by the light of the moon. This is the legendary Mooncalf, whose arrival has been foretold since the dawn of time. According to a dream passed down from animal to animal, if the calf dies, a great Terribleness will come - rising seas, a plague, skies raining down fire, the end of all things... and Little Hare vows to persuade all the animals to protect Mooncalf, whatever the cost.

The Last Wild:
This is a story about a boy named Kester. He is extraordinary, but he doesn't know that yet. All he knows, at this very moment, is this:1. There is a flock of excited pigeons in his bedroom.2. They are talking to him.3. His life will never be quite the same again...

The Dark Wild:
Twelve-year-old Kester thought he had discovered the last wild animals in the land. He thought his adventure was over. He was wrong. Below the sparkling city of Premium, deep underground, a dark wild remains: animals who believe the time is right to rise up against their human enemies.

The Wild Beyond:
This is the story of a boy named Kester. He has rescued the last wild animals in the world, and saved his capital city from destruction. But now he must face his greatest challenge yet, because:1. The only blue whale on the planet has brought news from across the ocean. 2. A mysterious steel dome has risen from the Four Towers. 3. Out there, somewhere, a brave mouse holds the key to the future...