Percy Jackson and the Olympians Complete Series 1-5, by Rick Riordan: The Lightning Thief (2005/2006, 375 pages), The Sea of Monsters (2006/2007, 279 pages), The Titan’s Curse (2007/2008, 312 pages), The Battle of the Labyrinth (2008/2009, 361 pages), and The Last Olympian (2009/2011, 381 pages). Paperbacks in very good to excellent condition. Books 1-4 have no marks or damage, no bends in spines. Book 5 cover slightly bent, corners slightly worn (see photos). Disney Hyperion. Text only. Cash or Venmo. Discount on multiple items.