A photograph of a missing girl on a milk carton leads Janie on a search for her real identity.

KC's mother and the clone of the President of the United States are kidnapped by disgruntled astronauts who want to take over the International Space Station.

When fairies steal her brother, thirteen-year-old Rowan Fox promises that in exchange for his return she will find the thirteen charms that the fairies have enchanted and hidden in the human world.

While still adjusting to the reality of having two families, her birth family and the family into which she was kidnapped as a small child, seventeen-year-old Janie makes a shocking discovery about her long-gone kidnapper.

A new era dawns in the forest... After moons of deliberation and strife, the forest cats have settled into five camps, following the spirit cats' advice to spread out like the petals of the Blazing Star. But now the dangerous rogue Slash has kidnapped Star Flower and made demands for prey that the forest cats cannot afford to meet. Clear Sky is desperate to save his mate and the kits she carries, but he cannot do it alone. To have any hope of defeating...

Jacky Faber and her classmates at the Lawson Peabody School for Young Girls in Boston are kidnapped while on a school outing and transported in the hold of a slave ship bound for the slave markets of North Africa.

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 Irelands King Logaire, Patritius, and the leader of the Druids, Lochru.

Cahills are being kidnapped by a shadowy group known only as the Vespers. Now Amy and Dan have only days to fulfill a bizarre ransom request or their captured friends will start dying. Amy and Dan don't know what the Vespers want or how to stop them. Only one thing is clear. The Vespers are playing to win, and if they get their hands on the Clues ... the world will be their next hostage.

Kai's dreams of becoming a blacksmith are thrown off course when he begins training as a ninja in order to save his kidnapped sister.

As Bluejay--Mo's fictitious double--tries to keep the Book of Immortality from unraveling, Adderhead kidnaps all the children in the kingdom, asking for Bluejay's surrender or the children will be doomed to slavery in the silver mines.