There are six main books in the Gallagher Girls series along with a prequel audiobook. The sixth book, United We Spy, was published on September 5, 2013. Ally Carter has said on multiple occasions that she probably won’t write anymore books to the series. Right now there is no movie or tv show in the works. The series is suitable for readers age 11+ There is no inappropriate language or sexually explicit scenes, though occasionally there is a bit of suggestiveness. Darker themes are introduced later in the series.
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