Caught in a bomb attack, fifteen-year-old K agrees to spy on the group held responsible. But at school, nothing is black and white, and even enemies become real people. When she falls for a boy, K faces the hardest choice of her life. Who's wrong and who's right? And can love keep them together?

Racing against time, Jonah and Emma, who possess unique magical gifts, work to uncover the truth about Thorn Hill, a peaceful commune that the Wizard Guild claims is a hotbed of underguild terrorists.

After identifying a terrorist plot, a brilliant seventeen-year-old girl from Santa Monica, California, gets involved with the young FBI agent who is trying to ensure her safety.

Former best friends Ariel and Sera must work together to survive when terrorists attack Ariel's birthday, intent on getting at her father, a rich industrialist.

Alex relocates to San Francisco as he slowly recovers from the tragic death of his best friend and caregiver, Jack Starbright, at the hands of terrorists working for Scorpia. Out of the blue he receives a cryptic email-- just three words long, but enough to make Alex believe that Jack may be alive. He boards a flight bound for Egypt and embarks on a dubious quest to track Jack down. But Scorpia is working on a new terrorist plot-- and Alex must traverse...

When the eighth grade civics class of Miami's Culver Middle School goes on a trip to Washington, D.C., Wyatt Palmer finds himself in deep trouble before the plane even lands because his best friend, Matt, has decided the men sitting behind them are terrorists and it is up to the boys to stop them.

After being told that his father was an assassin for a criminal organization, fourteen-year-old Alex goes to Italy to find out more and becomes involved in a plan to kill thousands of English schoolchildren.

"When Quest (Q) and his stepsister Angela head to Chicago for their parents' concert, they uncover another plot by the terrorist group Ghost Cell in the Windy City"--

When twelve-year-old Ash McCarthy wakes up after his father's funeral, he finds that he has been kidnapped to an island off the coast of Costa Rica, caught in the middle of a secret and deadly project named Kronos in which his mother is somehow involved, and he must find a way to save them both--and the only person he is sure he can trust is a Spanish girl his own age named Isabel.

Although Kyla has recovered some of her memories, she is not sure how they all fit together, whether she was really a terrorist, or why she is able to remember anything at all from before she was "slated"--but she is determined to find the answers.