Accompanied by her daemon, Lyra Belacqua sets out to prevent her best friend and other kidnapped children from becoming the subject of gruesome experiments in the Far North.

When A twelve-year-old evil genius tries to restore his family fortune by capturing a fairy and demanding a ransom in gold, the fairies fight back with magic, technology, and a particularly nasty troll.

Kidnapped and drugged, Ash wakes up on a remote tropical island. His mum - a genetic scientist - has been imprisoned and infected with a deadly virus. Where is he, and what's he doing there? He sets out to cross the jungle to find out and rescue his mother. Soon he realises he's quicker and sharper than before. But there's something else ...why are the animals watching him, and how can he use the jungle to his advantage?

Now a full-fledged Ranger responsible for a sleepy fief, Will finds a new adventure seeking the traitors who poisoned the king, investigating rumors of sorcery, and trying to rescue his friend Alyss, who is taken hostage.

Despite horrible conditions at the boys' home where kidnappers left him, eleven-year-old Colley, an orphan, finds a reason and a way to live, along with comradeship.

When planning for Cockenzie Rood Day, Prince Albion gets kidnapped because a zombie wants to play his fiddle in the talent contest. Trueheart, a prince and Gubble the troll must stop the zombie before real damage is done to the Five Kingdoms.

Kidnapped by Celtic Druids in 433, Patrick and Beth are headed to certain death when followers of a former Irish Slave (Saint Patrick called Patritius in this book) save them. The cousins find themselves in the midst of a power struggle between Ireland's King Logaire, Patritius, and the leader of the Druids, Lochru.

When Liverwurst the baby rhinosterwurst disappears, Wackatoo Indians, survivors of the 49th Cavlary, and children from the Koala Scouts join the circus company in rescuing him from a burger tycoon interested in creating Rhino-burgers.

Desperate to escape deprogramming after being rescued from a cult, seventeen-year-old Piper wants to rejoin her family, but the truth about that family, her past, and herself cannot be denied.

With a robot's help two children search for a relative who has been kidnapped by the king on the planet Astarr and accused of making secret war weapons.