Reading Order
Gallagher Girlsseries.seoTitleShort
Start with I'd Tell You I Love You, But Then I'd Have to Kill You and continue through all 7 books in the listed reading order.
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Start with I'd Tell You I Love You, But Then I'd Have to Kill You
Book 1 by Ally Carter • Published 2006
Cammie Morgan attends the Gallagher Academy, an elite boarding school that secretly trains girl spies. When she falls for an ordinary boy who can never know the truth, her first real mission becomes keeping her double...
Complete List
Gallagher Girls reading order
Ends with The Spies That Bind
- 1

Book 1:I'd Tell You I Love You, But Then I'd Have to Kill You
Ally Carter • 2006
Cammie Morgan attends the Gallagher Academy, an elite boarding school that secretly trains girl spies. When she falls for an ordinary boy who can never know the truth, her first real mission becomes keeping her double...
- 2

Book 2:Cross My Heart and Hope to Spy
Ally Carter • 2007
Back for spring semester, Cammie thinks life at the Gallagher Academy might finally feel normal, until a mysterious class of boy spies moves in. When a security breach is pinned on her, she and her friends must uncove...
- 3

Book 3:Don't Judge a Girl by Her Cover
Ally Carter • 2009
Cammie travels to Boston to support her roommate Macey on the vice-presidential campaign trail, only to fight off a shocking kidnapping attempt. As the girls turn bodyguard, every rally hides new dangers, and Cammie s...
- 4

Book 4:Only the Good Spy Young
Ally Carter • 2010
Under constant guard because a terrorist group wants her dead, Cammie no longer knows which of her teachers or classmates she can trust. A risky trip to rival school Blackthorne forces her to face buried secrets about...
- 5

Book 5:Out of Sight, Out of Time
Ally Carter • 2012
Months after vanishing to protect the people she loves, Cammie wakes up in a remote convent with no memory of the summer. Back at Gallagher Academy, she and her friends follow a trail of bruises and half-memories acro...
- 6

Book 6:United We Spy
Ally Carter • 2013
In her final semester at Gallagher Academy, Cammie finally understands why the Circle of Cavan has hunted her for so long. She, her friends, and Zach race across the globe to track down the group’s leaders before thei...
- 7

Book 7:The Spies That Bind
Ally Carter • 2018
Set during Cammie Morgan’s first year at the Gallagher Academy, this prequel follows her arrival at spy school. Between secret passages, explosive science experiments, and new friends Liz and Bex, Cammie discovers tha...
Quick Answers
Gallagher Girls FAQ
What is the best order to read the Gallagher Girls series?
The recommended reading order is the numbered order shown on this page, starting with I'd Tell You I Love You, But Then I'd Have to Kill You.
How many books are in the Gallagher Girls series?
There are 7 books currently listed in the Gallagher Girls series on GurusReads.
Where should I start with the Gallagher Girls series?
New readers should start with I'd Tell You I Love You, But Then I'd Have to Kill You, the first book in the reading order.
Is the Gallagher Girls series complete?
Based on the publication years we have, the series appears likely complete and spans releases from 2006 to 2018.