The perfect companion book to the New York Times bestselling I Am Number Four series! I Am Number Four: The Lost Files: Secret Histories is a collection of three action-packed novellas by bestselling author Pittacus Lore! Originally published as the e-novellas The Search for Sam, The Last Days of Lorien, and The Forgotten Ones, now, for the first time ever, they are together in one print volume. The Search for Sam follows the rogue Mogadorian...