How do we know that Sorna? It could just be like a physical quote, using the Novel Map of Sorna, as a Map for say, a different Island. Also, I've mentioned this before, about there being a sequel, based on Sorna, has that been confirmed?
1990....The Dream began.
1993....The Dream became real.
1997....The Dream returned in all its glory.
2001....The Dream reoccured.
2011...The Dream became clear.
'What John Hammond and InGen did at Jurassic Park, is create genetically engineered theme park monsters. Nothing more, and nothing less... - Dr. Alan Grant