Monster War (Nightmare Academy, Book 3) by Dean Lorey
Monsters. Once upon a time they turned up every now and then, triggered by a gifted child's nightmares. But now they're here. ALL OF THEM. And this time, it's war...
The Fifth has made it to earth, but it's not as bad as everyone expected.
It's worse.
As CNN broadcasts 24-hour carnage and colossal monsters destroy the world's cities, the fate of the world and all its people rests on one person's shoulders.
One quite SMALL person's shoulders.
But the Fifth is Mother to all monsters - and now she's got Pinch on her side, one of the strongest double threats who ever lived. Charlie and his friends have the fight of a lifetime on their hands...