Gallagher Girls

1. 

   Book 1

   I'd Tell You I Love You, But Then I'd Have to Kill You (Gallagher Girls #1)

   Ally Carter, Renee Raudman

2. 

   Book 2

   Cross My Heart and Hope to Spy (Gallagher Girls #2)

   Ally Carter

3. 

   Book 3

   Don't Judge a Girl by Her Cover (Gallagher Girls #3)

   Ally Carter

4. 

   Book 4

   Only the Good Spy Young (Gallagher Girls #4)

   Ally Carter

5. 

   Book 5

   Out of sight, out of time

   Ally Carter

6. United We Spy (Gallagher Girls #6)Ally CarterCarter

   U

   Book 6

   United We Spy (Gallagher Girls #6)

   Ally Carter

7. 

   Cross my heart and hope to spy

   Ally Carter

8. 

   Out of Sight, Out of Time (Gallagher Girls #5)

   Ally Carter

9. Out of sight, out of timeAlly CarterCarter

   O

   Out of sight, out of time

   Ally Carter

Book data and covers from Open Library (openlibrary.org).