If you're into fast-paced spy adventures with a twist, "Out of Sight, Out of Time" could captivate you. Cammie's journey of self-discovery filled with espionage and mystery is engrossing. The combination of a strong, relatable protagonist and the intense plot of trying to piece together lost memories while being hunted is both thrilling and emotionally resonant. Ally Carter has a knack for balancing action with the complexities of teenage life, making this a standout in the Gallagher Girls series.

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• Goodreads Choice Award Nominee for Young Adult Fiction (2012)

With more than a million Gallagher Girls books sold, a legion of fans have fallen in love with the New York Times best-selling spy-girl series, and the fifth book delivers the most nerve-wracking, high-stakes adventure yet. The last thing Cammie Morgan remembers is leaving the Gallagher Academy to protect her friends and family from the Circle of Cavan-an ancient terrorist organization that has been hunting her for over a year. But when Cammie wakes up in an alpine convent and discovers that months have passed, she must face the fact that her memory is now a black hole. The only traces left of Cammie's summer vacation are the bruises on her body and the dirt under her nails, and all she wants is to go home. Once she returns to school, however, Cammie realizes that even the Gallagher Academy now holds more questions than answers. Cammie, her friends, and mysterious spy-guy Zach must face their most difficult challenge yet as they travel to the other side of the world, hoping to piece together the clues that Cammie left behind. It's a race against time. The Circle is hot on their trail and willing to stop at nothing to prevent Cammie from remembering what she did last summer.

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