The original invasion story
Begin with I Am Number Four and read all seven original novels in order.
Book Series · 7 Books
Lorien Legacies Books
In order from I Am Number Four to United as One.
A seven-book YA science-fiction series about alien teenagers hiding on Earth who must find one another and fight the invaders hunting them.
Reviewed by the Bookroo Editors Updated
Reading order
How to Read the Lorien Legacies Books
Read the seven main novels in numbered order, from I Am Number Four through United as One. Their story unfolds continuously as the surviving Loric come together and the war expands.
Next read the three Lorien Legacies Reborn novels in order; they continue the world after United as One. The Lost Files and Legacy Chronicles are optional novella collections that add side stories but are not required for the main plot.
Sources: Penguin's official Lorien Legacies series list, Penguin's official Lorien Legacies Reborn series list.
For parents
What Parents Should Know
These books feature frequent alien combat, weapons, explosions, captivity, torture, and deaths, including the deaths of teenagers and guardian figures. The story also includes grief, displacement, bullying, some strong language, and teen romance and kissing. Violence grows broader and more consequential as the conflict becomes a full-scale invasion.
Where to start
Where Should a New Reader Start?
Continue after the war
After United as One, move to Lorien Legacies Reborn for the next generation's story.
Where the story begins
First Book in the Series
Sale price
$2133
Book #1 · Chapter Book · Ages 14–18 · 2010
I Am Number Four
Aliens hide on Earth, hunted one by one. Number Four is next.
440 pages· 102,062 words· Est. 9.5 hour read
$22.45Save 5%
Prebound-Glued
Summary: Nine alien teens live secretly on Earth, each with extraordinary powers. Three have been hunted down and killed. Number Four must evade capture or face the same fate. As danger closes in, will he find a way to fight back, or will he be the next to fall? The clock is ticking, and survival means staying one step ahead of a relentless enemy. Dive into a world where the hunted must become the hunter to survive.
In reading order
Lorien Legacies Series
7 books · Published 2010–2016
#1
Sale price
$2133
I Am Number Four
Chapter Book · Ages 14–18 · 2010
Aliens hide on Earth, hunted one by one. Number Four is next.
#2
The Power of Six
Chapter Book · 2011
A girl in a convent prepares for an intergalactic battle.
#3
Sale price
$1498
The Rise of Nine
Chapter Book · Ages 14–+ · 2012
Survivors unite to battle alien hunters and save Earth from destruction.
#4
Sale price
$1498
The Fall of Five
Chapter Book · Ages 14–+ · 2013
Superpowered teens must unite to face an alien threat. Can they trust a mysterious sign, or is it a trap?
#5
The Revenge of Seven
Chapter Book · 2014
A betrayed ally, a lost friend, and a battle for survival against relentless foes.
#6
The Fate of Ten
Chapter Book · 2015
No book description provided.
Sale price
$1797
United as One
Chapter Book · Ages 14–+ · 2016
Earth's fate hangs on a battle between gifted teens and alien invaders.
Companion series
Lorien Legacies Reborn Series
3 books · Published 2017–2019
#1
Sale price
$1797
Generation One
Chapter Book · Ages 14–+ · 2017
Teens with newfound powers face a choice: train for peace or prepare for battle.
Fugitive Six
Chapter Book · 2018
A mole threatens gifted teens as they battle a sinister organization.
Return to Zero
Chapter Book · 2019
A divided team must fight to save their powers and freedom in a world that fears them.
Good to know
Common Questions
How many books are in the Lorien Legacies series?
There are 7 books in the Lorien Legacies series. It began with I Am Number Four in 2010, and the newest book, United as One, was published in 2016.
What order should you read the Lorien Legacies books in?
Start with I Am Number Four and follow the series order — the books above are numbered #1 through #7.
What ages are the Lorien Legacies books best for?
The series is best for ages 14–18, based on the age ranges of the individual books.
The people
The Creative Behind the Books
The people who bring Lorien Legacies to life.
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