Harry Potter carved out a market for popular young adult books being adapted into movies, and studios started scrambling for their piece of that pie. For Fox, that came in the form of Percy Jackson-- a book series following the demi-god son of Poseidon dealing with Ancient Greek stuff all over the place.Percy Jackson & The Olympians: The Lightning Thief raises lots of questions. Like why do Greek Gods hang out in the United States? Why does everyone think that Percy stole the lightning bolt? Why does Zeus pick such a specific time for war? Why keep Percy in Camp Half-Blood if Hades can just pop up in the campfire at any time? Why doesn’t Percy show any emotion when seeing his mom die or when chopping off Medusa’s head? What was Luke’s plan exactly? Why did he send them on a quest to collect things that would make his own plan fail?