This is part of my Lions series. It's a HP/PJ Crossover kids from HP read the Percy Jackson series.

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I am planning on putting this into a story eventually. I just have to get the rest of the PJ series.

Lions: Lightning Thief

Olympians

"I have an idea," Hermione said one evening in the Gryffindor Common Room where she was sitting on a couch watching Ron and Harry playing chess. Ron as usual was winning the game.

"What's that Hermione?" Neville asked as he raised his head up from an advanced Herbology book.

"A book club!"

Both Harry and Neville turned to her with interest while Ron shrugged and tried to figure out his next move. "Knight to E3," Ron said and his knight took Harry's pawn.

"What's a book club?" Neville asked.

"It's where you select a book and then take turns reading it. There's quite a few Muggles who participate in this type of club. Some even read book series."

"Why would you want to read a boring book Hermione?" Ron asked, looking up as he saw that Harry wasn't paying attention to the game.

"Honestly Ron. Books can take you into different worlds that don't exist in real life. Some books take you into space, some to the past and some to the future. Others talk about supernatural things like ghosts and werewolves and centaurs. Some even talk about magic."

"Magic's real," Ron said. "Why would I want to read a book about magic?"

"Muggles believe it's fake Ron," Harry said before Hermione could yell. "Some Muggles believe magic to be evil and anyone who practices it is seen as worshiping the devil."

"Who is the devil?" Neville asked.

"An evil entity that is supposed to be responsible for all bad things that happen in the world," Hermione said. "I know the three main Muggle religions, Judaism; Christianity; and Islam believe in them but that's not important. What do you guys think of the book club?"

"I think it's an interesting idea," Harry said. "There needs to be more activities in school besides Qudditch and Gobstones. Not everyone is cut out for Qudditch and half-bloods and muggles who grew up in the muggle world aren't able to do anything they want due to wizard laws. I've always liked reading in private."

Ron stared at him. "You actually like reading?"

"Yeah," Harry said. "I've already all the books that Dudley threw into my bedroom because he hates reading. It's my only free time I get during the summer when I'm waiting to go to the Burrow for the rest of the summer. What about you Neville?"

Neville shrugged his shoulders. "I've never read any Muggle books before. It sounds like it could be fun and I think Luna might enjoy it as well. I can ask her at breakfast tomorrow."

"We should open it up to all houses so it will be fair," Hermione said. "What about you Ron? Willing to give it a try?"

"Why are you inviting snakes and badgers to this club Hermione? I bet none of them have ever picked up a book in their life."

"Well obviously you haven't Ron if you're going to be biased," Neville said causing Hermione and Harry to stare at him in surprise. "There's a lot of half-bloods and muggles in Hufflepuff and I know at least one half-blood is in Slytherin."

"Who would that be?" Harry asked.

"A girl named Tracey Davis," Neville said. "She's best friends with Daphne Greengrass, the ice queen of Slytherin. They're both nice to me. Not like Draco or some of the other students in the school."

"Some Hufflepuffs might be interested," Harry said. "But where would we get these books and where would we read them?"

"The Room of Requirement," Hermione whispered. "We can ask the Room of Requirement to give us interesting books to read and then we could have our club there. I'm sure the Room of Requirement would give us anything we needed. I can get the books from my trunk. I brought a lot to read."

Harry and Neville nodded eagerly. Ron let out a sigh and shrugged. "May as well. Nobody else ever wants to play chess with me."

"That's because you always win," Harry said.

A week later a small group of students gathered outside the Room of Requirement. From Gryffindor were Harry Potter, Hermione Granger, Ron Weasley and Neville Longbottom. From Ravenclaw was Luna Lovegood and Terry Boot. From Hufflepuff were Susan Bones and Hannah Abbot. Slytherin had Tracey Davis and Blaise Zabini.

"Well are we ready then?" Hermione asked the group and they nodded. She opened the doors to the Room of Requirement and they entered. The room was a blend of the four common rooms and over the fireplace was the Hogwarts crest with all four house mascots. Everyone sat on the comfortable couches and chairs around the fire and Hermione pulled a series of books out of her bag. "I have three book series with me," Hermione said. "The first two are related to each other. They are Percy Jackson and The Olympians and The Heroes of Olympus. The third series is a set of four books called The Inheritance Cycle. We'll take turns reading them."

"Sounds good," Tracey said. "Aren't Olympians the Greek Gods and Goddesses?"

"How do you know that?" Susan asked.

"I read some books about the Greek Gods and Goddesses as a kid from a book I got from the library in the town I live in," Tracey said. "I really like Hermes and Athena."

"Who wants to start?" Hermione asked holding up the first book that showed a boy carrying a sword with lightning in the sky.

"I will," Harry said taking the book from Hermione. He turned the book over to read the synopsis.

Percy Jackson is about to be kicked out of boarding school… again.

"Well he sounds like trouble," Hermione said.

And that's the least of his troubles. Lately, mythological monsters and the gods of Mount Olympus seem to be walking straight out of the pages of Percy's Greek mythology textbook and into his life. And worse, he's angered a few of them. Zeus's master lightning bolt has been stolen, and Percy is the prime suspect.

Now Percy and his friends have just ten days to find and return Zeus's stolen property and bring peace to a warring Mount Olympus. But to succeed on his quest, Percy will have to do more than catch the true thief: he must come to terms with the father who abandoned him; solve the riddle of the Oracle, which warns him of betrayal of a friend; and unravel a treachery more powerful than the gods themselves.

"Hey Harry maybe you're the son of this Zeus fellow," Ron said.

"Why would I be the son of a god Ron?" Harry asked.

"Because of your love of flying and the lightning bolt on your head," Ron said.

"I don't think I'm the son of any gods," Harry said. "As far as I know I'm the son of James Potter and Lily Potter nee Evans. Wait how are we going to know when to go to class?"

"Time stops while we're in the Room of Requirement Harry," Hermione said. "So we won't miss anything while we're reading these books."

"Damn. I was hoping to miss Potions," Ron muttered.

Everyone laughed, even the snakes, and looked to Harry. He nodded and flipped the book back over. "Percy Jackson and the Olympians: The Lightning Thief. By Rick Riordan." He opened the book and read the title of the first chapter. I Accidentally Vaporize My Pre-Algebra Teacher.