The Wall (The Island, #1)

'I walk toward the sea. The endless surface of the water extends to the horizon, whichever way I look.
Our world is small. We're on our own, and we only have ourselves to depend on. We rely on the Force deep within us as taught to us by our forefathers.
If I were to walk westward from here, I'd come across a barrier - the Wall. Behind it, there are Fools. At least, that's what everyone says. I've never seen one.'

Leia lives on an island where children leave their parents to take care of thems...