Five-Book Heroes of Olympus Collection With this five-book set from the best-selling author of the Percy Jackson series, dive into an amazing, brand-new spin-off series. They don't know what to expect when Jason, Piper, and Leo crash land at Camp Half-Blood. Despite the monsters prowling the woods and the demigods practising archery with explosives and burning arrows, it appears that this is the only spot where children of Greek gods can live in safety. However, there are widespread rumours in the camp about a dreadful curse and a lost hero. It appears that Jason, Piper, and Leo have been selected to set out on a new, dreadful mission that they must finish by the winter solstice. only four days from now. The Lost Hero, The Son of Neptune, The Mark of Athena, The House of Hades, and The Blood of Olympus are among the titles in this collection.