Book 1

Six's Legacy

by Pittacus Lore

Published 26 July 2011

Number Six—when John meets her in I Am Number Four she’s strong, powerful, and ready to fight. But who is she? Where has she been living? How has she been training? When did she develop her legacies? And how does she know so much about the Mogadorians?

In I Am Number Four: The Lost Files: Six’s Legacy, discover the story behind Six. Before Paradise, Ohio, before John Smith, Six was traveling through West Texas with her cêpan, Katarina. What happened there would change Six forever….


Book 2

Nine's Legacy

by Pittacus Lore

Published 28 February 2012

Number Nine—when John frees him from his cell in the power of six, he's ferocious, reckless, and ready to fight back. But being held captive changes a person—even a Lorien. See what Nine was like before his capture, and read about his dramatic escape from his point of view.


Book 3

The Fallen Legacies

by Pittacus Lore

Published 24 July 2012

Before Number Four, there were One, Two, and Three. Until now we've only known that the Mogadorians caught Number One in Malaysia. Number Two in England. And Number Three in Kenya. But all of that is about to change. . . .

In I Am Number Four: The Lost Files: The Fallen Legacies, you'll learn the true story behind these ill-fated members of the Garde. Before they were murdered by the Mogadorians, before Number Four was next, they were all just kids on an alien planet called Earth—discovering their powers, trying to stay hidden, and running for their lives.


Book 4

The Search for Sam

by Pittacus Lore

Published 26 December 2012

When a rogue Mogadorian meets up with a mysterious amnesiac in Santa Monica, he knows that there's more to this guy than meets the eye. In fact, he might just hold the key to everything.

In I Am Number Four: The Lost Files #4, discover what has happened to one of the people with information crucial to the Garde coming together to fight to save Lorien—and Earth.


Book 5

The Last Days of Lorien

by Pittacus Lore

Published 9 April 2013

Discover what really happened in the final days of the doomed planet from the eyes of Sandor—who would go on to become the reluctant Cêpan to Number Nine.

Before Number Four and the others arrived on Earth, they lived on the planet Lorien. A planet filled with others who also had extraordinary abilities. A peaceful planet––until the day the Mogadorians attacked, and nearly annihilated, the Loric people.

Only a handful of Loric survived the battle. This is Sandor’s story.

Sandor was tired of being a teenager, tired of going to school and obeying his teachers and playing by his parents' rules. He enjoyed breaking the rules rather than following them. But when he makes one mistake too many, Sandor's life takes an unexpected turn, and he is forced join the Lorien Defense Academy.

Sandor had never believed in the crazy idea that Lorien needed to defend itself—Lorien was a peaceful planet, with no apparent enemies. But when Mogadorians suddenly attack, Sandor learns how real that threat was. Now Sandor is one of only a handful of Loric left alive, and the fate of Lorien is in their hands.


Book 6

The Forgotten Ones

by Pittacus Lore

Published 23 July 2013

The Forgotten Ones is the thrilling sixth instalment of the Lost Files by Pittacus Lore.

Mogadorian-turned-ally of the Garde, Adam, risks his life to help Sam Goode and his father Malcolm escape the Mogadorian base in Dulce, New Mexico. Using the Legacy that Number One bestowed upon him, he sacrifices himself and brings the entire facility crumbling down on his head.

Miraculously, Adam survives in one piece, and discovers a secret the Mogadorians have been hiding from the Garde. Separated from his allies, Adam sets out on a quest to find the one thing the Garde have been missing all these years. The one thing that could turn the tide in this war . . .


Book 7

Five's Legacy

by Pittacus Lore

Published 11 February 2014

In this exciting seventy-five-page prequel companion novella to the New York Times bestselling I Am Number Four series, discover the true origins of the traitorous Number Five. Before allying himself with the Mogadorians, before infiltrating the Garde, before committing the ultimate betrayal, Five was in hiding just like the others. But when his Cêpan dies, Five is forced to survive on his own. Eager to finally experience the world he was always kept apart from, Five soon gets involved with the wrong kind of people—the Mogadorians. In Five's Legacy see how one of Lorien's last hopes for survival became one of its most dangerous adversaries.


Book 8

Return to Paradise

by Pittacus Lore

Published 15 April 2014

In this thrilling one-hundred-page prequel companion novella, discover what happened in the aftermath of the Mogadorians’ attack on Paradise, Ohio, from Mark James—Number Four’s bully-turned-ally.

After Four leaves town to find the rest of the Garde, Mark is left behind to pick up the pieces. His school has been destroyed, his home burned down, and, worst yet, Mark now knows the horrifying truth: aliens live among us and some of them seek to destroy us. Even with the FBI tailing him and Sarah Hart, Mark tries to return to a normal life. But when Sarah goes missing, he knows he can no longer sit back and do nothing. His quest to find her will lead him to new allies and a startling revelation about the Mogadorians’ plan for invasion.


Book 9

Five's Betrayal

by Pittacus Lore

Published 22 July 2014

In this explosive one-hundred-page prequel companion novella, uncover the truth behind Number Five’s unknown history with the Mogadorians.

This sequel to I Am Number Four: The Lost Files: Five’s Legacy finds Number Five entering the ranks of the Mogadorian army. The Mogs have convinced him that they will be the victor in their war for Earth, and Five decides he would rather be on the winning side. Realizing that the only thing that matters is his survival, Five allies himself with the sworn enemies of the Lorien and pledges to help the Mogs take down the very people he was meant to protect. Is he too far gone to be saved? Discover how Five became one of Earth’s and Lorien’s most dangerous adversaries and decide for yourself.


Book 10

The Fugitive

by Pittacus Lore

Published 23 December 2014

In this exhilarating one-hundred-page companion novella to the New York Times bestselling I Am Number Four series, Mark James is on the run—and on the wrong side of the law—but he'll do whatever it takes to save Sarah Hart and help the Garde.

A sequel to I Am Number Four: The Lost Files: Return to Paradise, this novella picks up with Mark racing to Dulce, New Mexico, evading capture from both the Mogadorians and the FBI. On the road, his mysterious new ally—a fellow blogger from They Walk Among Us who Mark knows only by the screen name GUARD—sends him a care package to help in his quest to find Sarah. Inside is a stack of cash, high-tech equipment, and some seriously advanced weaponry, all begging Mark to once again ask the question: Just who exactly is this guy? As Mark gets closer to tracking down Sarah, he also gets closer to discovering the identity of this enigmatic figure who seems to know so much about the Loric. When the truth about GUARD is finally revealed, nothing will ever be the same.


Book 11

The Navigator

by Pittacus Lore

Published 21 April 2015

In this astonishing one-hundred-page companion novella to the New York Times bestselling I Am Number Four series, meet Lexa, a Loric hacker whose unrivaled skills helped her narrowly escape her doomed planet, and who's been hiding on Earth ever since.

Lexa was never part of the Elders' plan. She had no idea the Garde children were being evacuated to our planet. But when the Mogadorian attack began, she used her expertise to get an old spaceship in a museum operational once more and became irrevocably entwined with the Garde's fate. In addition to her friend, a pack of Chimæra, and a Cêpan named Crayton, her relic of a ship also carried Ella, the tenth Garde.

With all of their Cêpans now gone, the Garde think they are the last of the Loric people. But they are wrong. They have forgotten all about the crew that brought them to Earth. Where have the pilots for both ships been all these years? And why haven't they joined in the fight against the Mogs? In The Navigator, discover the truth behind their escape from Lorien and what happened to them after they arrived on our planet.


Book 12

The Guard

by Pittacus Lore

Published 28 July 2015

In this spectacular one-hundred-page companion novella to the New York Times bestselling I Am Number Four series, learn how Loric hacker Lexa became the shadowy figure known as GUARD.

A sequel to I Am Number Four: The Lost Files: The Navigator, this novella picks up with Lexa shortly after the Mogadorians raided her hideout and murdered her friend. Determined to get her revenge but knowing she can't take the Mogs head on, Lexa goes in search of a weapon that just might help her do some real damage: the spaceship the Garde flew to Earth. The only problem is it's under lock and key at a highly guarded base in Dulce, New Mexico.

Lexa's quest to retrieve the ship and track down the Garde has her cross paths with an ally of Pittacus Lore, come under fire from both the FBI and the Mogs, and team up with a headstrong teenager from Paradise, Ohio, by the name of Mark James. To get her secret weapon, Lexa will do whatever it takes. But as the Mogadorians begin their invasion, will it be enough to help save the Garde—and the world?


Book 13

Legacies Reborn

by Pittacus Lore

Published 24 November 2015

In this game-changing 100-page companion novella to the New York Times bestselling I Am Number Four series, the Mogadorian invasion of Earth has begun and one teenager's life will be forever changed.

At first, Daniela Morales thought the spaceship attacking New York City on the television was just part of some science fiction movie. Then the horrible truth became clear: it was happening in real life. Aliens do exist, and they were invading the planet.

Unable to reach her mother, Daniela makes it her mission to get to her mom's job downtown to find her. But with the city under fire, trying to make it from her apartment in Harlem to the Financial District proves nearly impossible—until Daniela makes an incredible discovery. When a squad of Mogs get the jump on her, she is somehow able to throw them across the street, using telekinesis. Daniela doesn't know where this power came from or why she suddenly has it, but she is sure as hell going to use it. Aliens are tearing up her city and she'll destroy every last one of them that gets in her way. But when she comes face-to-face with the Garde, will she be a friend or a foe?


Book 14

Last Defense

by Pittacus Lore

Published 23 February 2016

In this electrifying one-hundred-page companion novella to the New York Times bestselling I Am Number Four series, discover what happened to Malcolm Goode after the Mogadorian invasion began.

When the Garde split up, heading off to New York City and Mexico, Malcolm decided to stay behind in Ashwood Estates, the Mog’s formerly hidden base located near Washington DC. He wanted to search the facility for anything that might help John Smith and the others stop the alien invasion. But once the spaceships descended, that plan went up in smoke.

Before he gets a chance to come up with a plan B, armed soldiers storm the base. As one of the few humans who knows anything about Loric and their war with the Mogadorians, Malcolm is an invaluable asset—and they’ve been tasked with safely escorting him to the president’s secret bunker. With Mogs hot on their trail, though, it’ll be easier said than done. Luckily, Malcolm has some backup in the form of a Chimæra. But even if he makes it to his destination, will Malcolm be able to help what’s left of the government find a way to defeat the Mogs? Or will he be too late?


Book 15

Hunt for the Garde

by Pittacus Lore

Published 31 May 2016

In this villainous one-hundred-page companion novella to the #1 New York Times bestselling I Am Number Four series, get a unprecedented look at the invasion—from three different Mogadorians hoping to conquer Earth. This novella picks up immediately after the cliffhanger ending of The Fate of Ten and coincides with the events of United as One, the final book in this epic series.

After the Mogadorian leader is struck with a potentially fatal blow, it becomes uncertain who will step in for him and how the Mogs should proceed with their invasion of the planet. This power vacuum has wide-reaching ramifications. One Mog, who has been on a quest for redemption ever since she first let the Garde slip through her fingers, is given an unimaginable opportunity to make things right with the Beloved Leader. Another, who has an unquenchable thirst for blood, jumps at the opportunity to hunt down the human teens who have begun to develop Legacies. And the last Mog, who has been questioning everything since he crossed paths with Adam, is forced to decide once and for all where his allegiances lie. While the fate of the Mogadorian leader is unknown, the one thing that is for certain is that this war is coming to an end . . . and there can only be one side that wins. 


I Am Number Four

by Pittacus Lore

Published 31 December 1969
John Smith is not your average teenager.

He regularly moves from small town to small town. He changes his name and identity. He does not put down roots. He cannot tell anyone who or what he really is. If he stops moving those who hunt him will find and kill him.

But you can't run forever.

So when he stops in Paradise, Ohio, John decides to try and settle down. To fit in. And for the first time he makes some real friends. People he cares about - and who care about him. Never in John's short life has there been space for friendship, or even love.

But it's just a matter of time before John's secret is revealed.

He was once one of nine. Three of them have been killed.

John is Number Four. He knows that he is next . . .

Books 10-12

Rebel Allies

by Pittacus Lore

Published 28 July 2015
The perfect companion to the #1 New York Times bestselling I Am Number Four series, this book contains three action-packed stories that were originally published separately as digital novellas. You know the truth about John Smith, aka Number Four. Yet there is still so much that you don't know. The stories in the Lost Files will help you get the answers you seek, but they will not help you stop the coming war. Only the Garde can save our planet.

In rural Ohio, a beautiful girl proves distracting to a 15-year-old who has hidden on Earth for 10 years waiting to develop the powers he needs to rejoin the other surviving Garde members and fight the Mogadorians. The plot contains violence. Book #1

Books 13-15

Zero Hour

by Pittacus Lore

Published 31 May 2016

You now have powers

You can fight back

You can help us save the world, but

You must choose a side.

They know you have legacies.

They fear what you can become.

They will hunt you down.

They will never stop searching.

Lorien chose you. We hope it chose well.


Books 7-9

Hidden Enemy

by Pittacus Lore

Published 22 July 2014
The perfect companion book to the New York Times bestselling I Am Number Four series! I Am Number Four: The Lost Files: Hidden Enemy is a collection of three action-packed novellas by bestselling author Pittacus Lore!

Books 4-6

Secret Histories

by Pittacus Lore

Published 23 July 2013
1st title: No one has seen Sam Goode's father, Malcolm, since he mysteriously disappeared years ago. Sam had always fantasized that he was abducted by aliens. But that was before he knew the truth: aliens do exist, and some of them seek to destroy our world. That was before he himself became another one of their captives. Now father and son are both missing. But when a rogue Mogadorian named Adam, who now has Number One's memories, decides the only way to make up for his past atrocities is to return home and infiltrate the Mogadorian stronghold, he'll find the key to saving both Sam and Malcolm's life. 2nd title. Sandor was tired of being a teenager, tired of going to school and obeying his teachers and playing by his parents' rules. He enjoyed breaking the rules rather than following them. But when he makes one mistake too many, Sandor's life takes an unexpected turn, and he is forced join the Lorien Defense Academy. Sandor had never believed in the crazy idea that Lorien needed to defend itself--Lorien was a peaceful planet, with no apparent enemies. But when Mogadorians suddenly attack, Sandor learns how real that threat was. Now Sandor is one of only a handful of Loric left alive, and the fate of Lorien is in their hands. 3rd title: Adam helped Sam Goode and his father, Malcolm, escape the Mogadorian base in Dulce, New Mexico. Using the Legacy that One bestowed upon him, Adam sacrificed himself and brought the entire facility crumbling down on his head. Miraculously, Adam survives in one piece, and he also discovers something incredible that the Mogadorians had been hiding from the Garde. Separated from his allies, Adam sets out on a quest to find the one thing the Garde have been missing all these years, the very thing that could turn the tide in this war

This book presents three novellas from Pittacus Lore's Lorien Legacies series including THE SEARCH FOR SAM, THE LAST DAYS OF LORIEN, and THE FORGOTTEN ONES.