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.

Thirteen-year-old Q and fifteen-year-old Angela know their lives will become complicated when his mother and her father, wildly popular musicians, marry, but soon the teens are involved with spies and terrorists in Philadelphia, Pennsylvania.

At a karate tournament, Hazmat loses his match but scores his first date. But as a member of the Recon Academy, this forensics expert has more to worry about than what to wear. The evil Shadow Cell squadron has broken into the city's nuclear power plant. If the Recon Academy doesn't hurry, a massive meltdown might ruin Hazmat's big night.

"When Quest (Q) and his stepsister Angela head to Texas for their parents' concert, they discover traces of the terrorist group Ghost Cell in the Lone Star state"-Provided by publisher.

"After thwarting the ghost cell's chemical attack in Chicago, Q and his stepsister Angela arrive in San Francisco to continue their parents' concert tour. They find themselves helping Boone and the S.O.S. team in the final showdown with the ghost cell and its leader, Number One"--

The U.S. Navy is launching a secret spy satellite near Seaside High School. However, the Recon Academy is too distracted to provide their usual security. Each member has just received a brand new laptop computer for free! The deal is too good to be true. When the machines go haywire, the team must scramble to save themselves and the satellite.

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.

Ryan Cross and the Shadow Squadron have been assigned to recover a chemical weapon that has been stolen by an extremist wing of the Syrian rebels before it can be launched against an unknown target.

The children of Britain's ambassador to Burkina Faso, fifteen-year-old Jake, who loves technology and adventure, and thirteen-year-old Kas, a budding social activist, are abducted and spend time in the Sahara desert with Yakuuba Sor, who some call a terrorist but others consider a modern-day Robin Hood.

Shadow Squadron has had lots of dangerous missions, but parachuting onto a moving train in ISIS territory to secure a load of weapons guarded by elite troops may well prove to be fatal for Lieutenant Commander Ryan Cross and his entire team.