The House Of Hades (The Heroes of Olympus)

"Greek and Roman demigods from the Prophecy of Seven must work together to seal the Doors of Death--and help Percy and Annabeth escape the Underworld in the process"--

• The Blood Of Olympus (The Heroes of Olympus)
• The Mark Of Athena (Turtleback School & Library Binding Edition) (The Heroes of Olympus)
• The Son of Neptune (Heroes of Olympus, Book 2)
• The Lost Hero (Heroes of Olympus, Book 1)
• The Mark of Athena (Heroes of Olympus, Book 3)
• The Blood of Olympus (The Heroes of Olympus)
• The Trials of Apollo, Book 1: The Hidden Oracle
• The Trials of Apollo Book Two The Dark Prophecy
• The Serpent's Shadow (The Kane Chronicles, Book 3)
• The Red Pyramid (The Kane Chronicles, Book 1)