The Last Wild Series by Piers Torday

In a world where animals no longer exist, twelve-year-old Kester Jaynes sometimes feels like he hardly exists either. Locked away in a home for troubled children, he's told there's something wrong with him. So when he meets a flock of talking pigeons and a bossy cockroach, Kester thinks he's finally gone crazy. But the animals have something to say. And they need him. The pigeons fly Kester to a wild place where the last creatures in the land have survived... moreIn a world where animals no longer exist, twelve-year-old Kester Jaynes sometimes feels like he hardly exists either. Locked away in a home for troubled children, he's told there's something wrong with him. So when he meets a flock of talking pigeons and a bossy cockroach, Kester thinks he's finally gone crazy. But the animals have something to say. And they need him. The pigeons fly Kester to a wild place where the last creatures in the land have survived. A wise stag needs Kester's help, and together they must embark on a great journey, joined along the way by an overenthusiastic wolf cub, a military-trained cockroach, a mouse with a ritual for everything, and a stubborn girl named Polly. The animals saved Kester Jaynes. But can Kester save the animals? less

The sequel to The Last Wild, which The New York Post calls “A whimsical yet thoughtful tale that brings to mind the smarts and silliness of Roald Dahl and Norton Juster.”Twelve-year-old Kester Jaynes 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... moreThe sequel to The Last Wild, which The New York Post calls “A whimsical yet thoughtful tale that brings to mind the smarts and silliness of Roald Dahl and Norton Juster.”Twelve-year-old Kester Jaynes 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.  And soon Kester realizes: he is the only one who can stop them. Kester Jaynes saved the animals. Can he save the humans too? less