United We Spy (10th Anniversary Edition)

United We Spy is the thrilling conclusion to the popular Gallagher Girls series, following Cammie Morgan, a student at a secret spy school. Cammie and her friends must use all their training to uncover and thwart a global terrorist plot that threatens their world and loved ones. The book explores themes of friendship, loyalty, bravery, and justice, all wrapped in a fast-paced, suspenseful narrative. It's suitable for young adult readers aged 12-18 who enjoy action, mystery, and strong female protagonists. Parents should be aware of moderate peril and violence typical of a spy thriller, handled appropriately for the YA audience.