Gallagher Girls series Series Novels
Cross My Heart and Hope to Spy (Gallagher Girls #2) by Ally CarterI'd Tell You I Love You, But Then I'd Have to Kill You (Gallagher Girls #1) by Ally Carter
Only the Good Spy Young (Gallagher Girls #4) by Ally Carter
Don't Judge a Girl by Her Cover (Gallagher Girls #3) by Ally Carter
Out of Sight, Out of Time (Gallagher Girls #5) by Ally Carter
United We Spy (Gallagher Girls #6) by Ally Carter