I Am Number Four - Pittacus Lore
This is a young adult science fiction novel by James Frey and Jobie Hughes (under pseudonym). It is the first book in the Lorien Legacies series. One reviewer summarised the premise: Number Four is a person 'from a planet called Lorien, a planet that was destroyed by a wicked alien race called the Mogdorians, who ruined their own planet through their lack of care and ignorance.' This copy is a slipcased hardback.
London: Penguin Press, 2010. Hardback in slipcase, 311 pages.