Heroes of Olympus Complete Collection: Lost Hero, Son of Neptune, Mark of Athena, House of Hades, Blood of Olympus (PB)

The Heroes of Olympus Complete Collection is a set of 5 books that will grip the readers thanks to its engaging storytelling and unique narration. It includes the books The Lost Hero, The Son of Neptune, The Mark of Athena, The House of Hades, and The Blood of Olympus. This book series describes how Camp Jupiter and Camp Half-Blood battle with Gaea, the goddess of the Earth, to save the world. The plot is based on the prophecy introduced in The Last Olympian.