Voyage of the Dawn Treader

I guess I missed the initial unveiling of The Voyage of the Dawn Treader.  I hope Eustace appears more.  Remember the dragon?  The gold water?  The lilies!  The utter east?  When I was a kid, sometimes the tap water would inexplicably grow sweet and I used to cup my hands and drink until I was sated.  What was that?
Chronicles Of Narnia 3