The battle of the Labyrinth - Riordan, Rick. (New York : Scholastic Inc., 2009)
Keywords: Mythology, Greek -- Juvenile fiction; Labyrinths -- Juvenile fiction; Camps -- Juvenile fiction; Monsters -- Juvenile fiction; Animals, Mythical -- Juvenile fiction; Titans (Mythology) -- Juvenile fiction; Jackson, Percy (Fictitious character) -- Juvenile fiction; Mythology, Greek -- Fiction; Labyrinths -- Fiction; Camps -- Fiction; Monsters -- Fiction; Animals, Mythical -- Fiction; Titans (Mythology) -- Fiction