David Whitley 
Children of the Lost [EPUB ebook] 

MARK AND LILY HAVE BEEN BANISHED from Agora, the ancient city-state where everything is for sale — memories, emotions — even children.Lost and alone they discover Giseth, a seemingly perfect land where everyone is equal, possessions are unknown, and Lily believes they will find the secret of their entwined destiny. But paradise comes at a price. Why are their new friends so scared? What hides deep in the forest? And who is the mysterious woman who appears in their dreams, urging them to find the Children of the Lost?