"Only the Good Spy Young" by Ally Carter shared by yochi

Cammie was back at Gallagher Academy, a spy school. Last summer, she was almost kidnapped by a mysterious circle called the Circle of Cavan. She and her friends find out that Joe Solomon, their teacher, was a member. Cammie wants to trust him, but she can't talk to him, for he disappeared, leaving Cammie with the words "Follow the pigeons". As Cammie and her freinds figure out what it means, she hears that her father who was thought to be dead, was alive. Cammie risks her life as she tries to find out the truth. Unfortunately, The Circle of Cavan was also looking for Joe Solomon. When she meets up with Mr. Solomon and the Circle, Cammie finds out the unbelievable truth. That her father was still alive. In the end, Cammie had no where to go, and she had no choice but to jump from the hill, which was more than just a few feet. She woke up in a hospital room, where her freinds were waiting for her. Mr. Solomon was found, and he was also alive. But the mistery of Cammie's father's whereabouts are still unsolved...