These are the first 4 books in the I Am Number Four : The Lost Files book series by Pittacus Lore. The books are part of the Lorien Legacies. The books contain 3 novellas each, for 12 novellas total. The books are all paperback and are overall in Good condition with some flaws of wear. The worst is Rebel has a back top right corner rip down the spine edge. Hidden has a small scuff on the top cover. The rest, is a bit of edge wear whitening on the spine edges, as well as a few smaller corner bends, and edge wear marks to the books. All of these are seen in the photos. Nothing catastrophic. They are all tightly bound, easily readable, with no interior stains, rips, tears, etc.. These come from a smoke free and pet free home. The books included are : I Am Number Four : The Lost Files : The Legacies / Book 1 I Am Number Four : The Lost Files : Secret Histories / Book 2 I Am Number Four : The Lost Files : Hidden Enemy / Book 3 I Am Number Four : The Lost Files : Rebel Allies / Book 4