Rats Series by james herbert

1. The Rats
It was only when the bones of the first devoured victims were discovered that the true nature and power of these swarming black creatures with their razor sharp teeth and the taste for human blood began to be realised by a panic-stricken city. For millions of years man and rats had been natural enemies. But now for the first time - suddenly, shockingly, horribly - the balance of power had shifted…

2. Lair
The mutant white rat had grown and mated, creating offspring in its own image. They dominated the others, the dark-furred ones, who foraged for food and brought it back to The Lair. Now the dark rats were restless, tormented by a craving they could not satisfy. But the white slug-like thing that ruled them knew. Its two heads weaved to and fro and a stickiness drooled from its mouth as it remembered the taste of human flesh.

3. Domain
The long-dreaded nuclear conflict. The city torn apart, shattered, its people destroyed or mutilated beyond hope. For just a few, survival is possible only beneath the wrecked streets - if there is time to avoid the slow-descending poisonous ashes. But below, the rats, demonic offspring of irradiated forebears, are waiting. They know that Man is weakened, become frail. Has become their prey…