The 'Heroes of olympus complete collection (5 book slipcase) 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 and saves the world. The plot is based on the prophecy introduced in The Last Olympian which stated that seven demi-gods will eventually unite and save the world.
The first book of the series, The Lost Hero describes how Jason gets to know about his hidden powers and the list of troubles he faced with this revelation. It uses a unique narration where the point of view shuffles between the characters - Jason, Piper and Leo. It received the Barnes & Noble Best Book Award for the year 2010.
In the second book, The Son of Neptune, Percy travels to a camp for half-bloods, killing monsters along the way. However, he is yet to digest the fact that he is a demi-god struggles to cope with this fact. The third book, 'The Mark of Athena unites all the demi-gods once and for all. However, there is one major flaw! The prophecy mentioned a union of seven demi-god, but only 6 have managed to gather. So who is the seventh team member? The fourth book, 'The House of Hades revolves around this question.
A peculiar situation arises as Percy and Annabeth try to lock the door from both sides to prevent the giants from raising Gaea. However, if they lock the door from both sides, how will they escape? The fifth book, 'The Blood of Olympus depicts the final and the most ferocious battle of this saga.