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Ally Carter, Author
Series: Gallagher Girls
Imprint: Starboard
Publication date: July 30, 2026
Category: School stories (Children's / Teenage)
ISBN: 9781408378557
Series: Gallagher Girls
Imprint: Starboard
Publication date: September 5, 2013
Category: School stories (Children's / Teenage)
ISBN: 9781408314753
The sixth and final book in the million copy selling Gallagher Girls series set at an elite boarding school for spies. Perfect for fans of XO, Kitty.
What is a Gallagher Girl? She’s a genius, a scientist, a heroine, a spy . . . a Gallagher Girl is whatever she wants to be.
Cammie Morgan is about to take on her final and most dangerous mission at Gallagher Academy. Armed with the truth about why she’s being hunted by an ancient criminal organisation, Carrie and her friends must track down its elusive members to save their sisterhood – and the world. But will they survive to see graduation?
Ally Carter writes books about spies, thieves, and teenagers. She is the New York Times Best-selling author of Heist Society, Uncommon Criminals, and the popular Gallagher Girls series, including I’d Tell You I Love You but Then I’d Have to Kill You, Cross My Heart and Hope to Spy, Don’t Judge a Girl by Her Cover, and Only the Good Spy Young.
She lives in the Midwest where her life is either very ordinary or the best deep-cover legend ever. She’d tell you more, but…well…you know…