Alex, a fourteen-year-old spy, has been assigned by the British MI6 to investigate a series of mysterious deaths. He ends up in a boarding school in the Swiss Alps, and finds many strange things are happening to the students.

"Maximum Ride and her broken flock roam a postapocalyptic world, searching for answers to what happened"--

Nico, the son of Hades, and his boyfriend Will, the son of Apollo, travel to Tartarus, the deepest, darkest part of the Underworld as they attempt to rescue an old friend. As the son of Hades, Nico di Angelo has been through so much, from the premature deaths of his mother and sister, to being outed against his will, to losing his friend Jason during the trials of Apollo. But there is a ray of sunshine in his life-literally: his boyfriend, Will Solace,...

A teenaged boy encounters one comedic calamity after another when his train strands him in the middle of nowhere, and everything comes down to luck.

It is 1943, and thirteen-year-old Michael O'Shaunessey, son of the Irish ambassador to Nazi Germany in Berlin, is also a spy for the British Secret Service, so he has joined the Hitler Youth, and pretending that he agrees with their violence and book-burning is hard enough--but when he is asked to find out more about "Projekt 1065" both his and his parents' lives get a lot more dangerous.

"Trouble is brewing...After Beacon Academy fell, Coco, Fox, Velvet, and Yatsuhashi made a vow: No one else is getting left behind. It's been more than a year since team CFVY saw their school destroyed by the creatures of Grimm, their friends felled in battle or scattered across the world of Remnant. Since then, they've been settling into life at Shade Academy in Vacuo, fighting hard to finish their training so they can find their friends and save...

Fifteen-year-old Peak Marcello is invited to participate in an "International Peace Ascent" in the Hindu Kush, with a team made up of under-eighteen-year-old climbers from around the world--but from the first something seems wrong, so when the group is attacked, and most of the climbers are either killed or kidnapped, Peak finds himself caught up in a struggle to survive, shadowed by the Shen, a mysterious snow leopard.

In the sixth book in the number one bestselling Alex Rider series by Anthony Horowitz, teenage spy Alex has a chance encounter with the son of multi-billionaire Nikolei Drevin. Soon Alex finds himself in the middle of an international crime hunt. The connection-- Ark Angel, a revolutionary space hotel with catastrophic potential.

Sixteen-year-old half-alien Sydney Chambers leaves Earth to seek his long-missing father, and unearths a devastating, centuries-old secret about humanity.

"Fifteen-year-old Peak Marcello is invited to climb Hkakabo Razi, one of the most isolated mountains in the world, but getting there involves a four-week trek through a tropical rainforest that is rife with hazards, which turns out to be more dangerous than summiting the mountain itself." -- Publisher.