Top ten invented worlds in teen books

Alwyn Hamilton is the author of Rebel of the Sands. One of her ten top invented worlds in teen fiction, as shared at the Guardian:
The Legend Trilogy by Marie Lu

The world in Marie Lu’s trilogy is our own, in the future. What sets this world apart from other dystopian worlds for me is that it is a whole world. While the first book stays in the oppressive regime of Los Angeles, the rest of the