I don't own Harry Potter.

It was a Saturday, the second week of September, and surprise, surprise. The Marauders, starting their sixth year at Hogwarts School Of Witchcraft And Wizardry, were already planning some mischief. In this case it wasn't exactly mischief. More like a way for certain people to relive emotional trauma, and others just to look back and remember a significant day in their life. As usual, the quartet, along with Frank Longbottom (who wasn't part of the gang but was an honourary member), were sitting in their dormitory after a satisfying dinner.

"PRONGS! I'M BORED! ENTERTAIN ME!" Sirius Black, or Padfoot, who was lying on his bed, shouted to his friend, a metre away from him.

"No need to shout, mate! I'm right here!" Bespectacled James Potter shouted back.

Remus Lupin, one of the Marauders yawned and shushed the two of them, "Shut it! You don't want Evans to come and scream her fiery red head of at us again do you? And Sirius, James is not here to entertain you. If you must, go get a girlfriend. Most girls are such chatterboxes, you'll be gone for hours." He said and continued reading a large book titled, Magical Water Plants of the Mediterranean.

"That's true, Alice does talk a lot." Frank nodded referring to his girlfriend. "How does her jaw not hurt?" Then he glanced at the thick book on Moony's lap, and his own jaw dropped. "Remus! Another boring book! How thick is that one?"

Before Remus could do his trademark eye roll at his friend's ignorance to education, he was interrupted by Peter Pettigrew, nicknamed Wormtail. "Yeah, Moony! How many pages is that one? A million?"

"1094 pages, to be exact. Including the brief introduction by Elladora Ketteridge, that would be 1143 pages."

James, Peter and Frank just stared at Remus as if to say, "What are we going to do with you?" Meanwhile, Sirius appeared to be in deep thought.

"I'VE GOT IT!" He suddenly bounced out of his dull state. He ran the short distance to James, and began shaking his shoulders.

"Sirius Orion Black!"

"I swear! I will go deaf-"

"My ears!"

The group's apparently very bipolar friend was oblivious to the continuous swearing going on in the background. But he did stop torturing James, who was feeling rather giddy. "The super-mega-foxy-awesome-hot Snuffles has a brilliant idea! Why don't we make a book?"

The dorm went so silent, you could hear Peter's leftover sweet wrapper drop.

"Wormtail, please pick up your litter." Peter scurried to obey Remus' instruction. Remus had many obsessions, they changed each month. Currently, the book nerd was set on "keeping the Earth clean". A few days ago, Frank had carelessly dropped some spare doodling parchment on the floor after History Of Magic, and was later given a ten minute lecture by Remus on responsibility during dinner. No one from Gryffindor has dared to dispose of any rubbish in front of Remus ever since. Kind of ironic, Gryffindor being the house for courageous people. But once Remus moves on and finds something new to... preoccupy himself with, everything will be back to normal.

"Who are you and what have you done to Sirius Black?" Frank asked.

Remus added, "Did you just say that you wanted to make a book? This is a miracle!"

"Padfoot? Evans did not jinx you or something did she? I- I can try and flirt with her until she changes you back!" James offered, though almost anyone at Hogwarts who heard that statement would know that the offer was more to help James cause, which was rather complicated.

Sirius Black was known for a lot of things. Good looks (lots of people found his shoulder-length curly dark hair attractive), great athlete (Chaser on the Quidditch team), decent grades (even though he rarely studies), master of pranks alongside James (Remus and Peter were the helpers), charmer, big ego, douchebag, stupidity (sometimes), lots of stuff. But one thing that no one ever thought could be associated with him was books.

Sirius looked around the room, taking in all the bewildered expressions directed at him. "I am perfectly normal thank you very much. Though, Prongs, go ahead." He said, flashing a smile like those annoying toothpaste ads. Then, he quickly continued. "No! Not a book book! A magic book!"

"Whaaaat?" Everybody leaned in their seats/beds towards Sirius, who was now standing in-between his and Prong's beds, with his hands on his hips, probably trying to imitate a superhero. It was like kindergarten students wanting to know more about something from their teacher, who was Sirius.

"You guys remember what it's like to get your O.W.L.s results?" He asked, grinning like a madman.

"Vividly." Remus replied, looking uncertain.

"Of course, I do." James made a sour face.

"Don't remind me!" Peter and Frank said at the same time, both of them looked at each other for a few moments, then shrugged.

Sirius smirked at his best mate, "You're welcome, Prongs. Evans reply was just lovely wasn't it?"

His answer was a pillow to the stomach, which did not hurt much but still caught Sirius off guard. "Sorry! But anyways, how about we make a book, so that whoever opens it will instantly have a flashback to the day they received their O.W.L.s results?" And the maniacal grin returned, it was starting to get rather freaky and unsettling.

Remus looked thoughtful. "That is... actually not a bad idea. But before we do that could you please get rid of that face, it is going to give me nightmares." Everyone nodded their heads vigorously in agreement.

Thankfully, Sirius got rid of it and replaced it with a pout, "You have to respect my facial features! I was born that way! Fine, I'll stop it. So, let's make a book now!"

After a week of sweat, tears and a lot of spells gone wrong, the five boys were sitting in their dorm again, on a Saturday night. A small pocket sized lime green (to attract people's attention) notebook with blank pages was in James hand. "Great, it's done! You think it will work?"

If everything went well, if opened, a message would immediately appear on the front page,

"Messrs Moony, Wormtail, Padfoot and Prongs (and a little help from another friend) present you with this green book, which will do something cool in 3,2,1..."

Then the small seemingly harmless green book would transport one into the memory of them getting their O.W.L. results. Whoever didn't take the exam, would be sent into a flashback of the first time they got the results to a big exam, or one that caused a lot of panic. And as for whoever had never had any experience whatsoever, a picture of a carrot would fall out, just cause. If the book did work, the "victim" would be left staring dumbly on the spot for roughly 20 seconds.

Frank spoke up, "Let me try! I'm the only one who hasn't had a turn!"

The four marauders had taken turns testing their latest invention. Each "waking up" with different reactions. James had given Sirius a stern look, which was returned with the toothpaste ad smile. Remus looked creeped out. Peter was horrified, and Sirius was cackling.

After 22 seconds, timed by Peter, Frank suddenly jerked his head up, eyes widening. "Whoa! That was wicked! Awkward, but wicked. I realised how fat I was too."

Peter sighed, "I know what you're going through mate."

"Alright, since it's been established that this green book works, what do we do with it?" Remus said, then with some effort, plumped Magical Water Plants of the Mediterranean on his lap and continued reading, he was halfway through.

James eyes lit up. I know! Let's just dump it on the corridor! Let some random stranger pick it up!" Then he saw Remus' angry face and quickly changed his mind. "No! Change of plan! Because of Moony's current obsession, we can't just leave it lying around."

"The Room Of Requirement!" Frank exclaimed.

The Room Of Requirement was, in a nutshell, a very awesome room. It turned into whatever you needed. A toilet, a library, a pool, you name it. Except food, because of some transfiguration rule.

Sirius walked over to Frank, who discovered the room (the Marauders just happened to be in the same random corridor), and hugged him. "You are brilliant my dear friend!"

"Yeah, we could think of a room, and just dump- no! place the book on a table in a room. And we could get the room to make the table pop up to people who walk past it. Wait no, not everyone, just certain people. Some people will see it, some people won't. It's just by luck. Maybe we could even make the table pop up to random witches or wizards living in England and Scotland!" James suggested, then hurriedly added, "Not just yet though, I want to show it to Evans first."

Remus nodded, impressed that his usually daft friends came up with something fantastic. But again, James was the one who came up with the Marauders Map, maybe he shouldn't think so lowly of them when it came to good ideas. And of course, James would want to test it out on Lily. The bloke's had a crush on her since 3rd year. But it has not been going so well, due to his big head. "Great, let's give it a try sometime this week, and also get the room to always be accessible to us, so we can use the book on certain people when we want to."

A few days later, the Marauders, (excluding Frank, who was in detention for cursing heavily at a Fanged Geranium during Herbology) walked triumphantly out of a mysterious door on the seventh floor, which disappeared almost instantly. The four were walking in slow motion (like those muggle movies where they show the characters looking like professionals), they didn't know why, they just felt like it.

"Now, let's just hope that this green book does it's job."

Hi! For this story to get anywhere, you guys have to help me! You write your own chapter with any character discovering the green book, then PM it to me. Get it? It's kind of like an SYOT story in the Hunger Games. Check out my profile for more details. :)