The collection includes following ebooks;
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Carter, Ally - [Gallagher Girls 1] - I'd Tell You I Love You But Then I'd Have to Kill You (2010, Hodder Children's Division
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Carter, Ally - [Gallagher Girls 2] - Cross My Heart And Hope To Spy (2007, Hyperion)
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Carter, Ally - [Gallagher Girls 3] - Don't Judge a Girl by Her Cover
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Carter, Ally - [Gallagher Girls 4] - Only The Good Spy Young (2010, Hyperion)
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Carter, Ally - [Gallagher Girls 5] - Out of Sight, Out of Time (2012, Disney
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Carter, Ally - [Gallagher Girls 6] - United We Spy (2013, Disney-Hyperion