This book is part of a book series called I Am Number Four Series-The Lost Files .
This book has been graded for interest at 14-17 years.
This book was published 2015 by HarperCollins .
Pittacus Lore is Lorien's ruling elder. He has been on Earth preparing for the war that will decide Earth's fate. His whereabouts are unknown.
This book is in the following series: