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.

From his 1776 Pennsylvania homestead, thirteen-year-old Samuel, who is a highly-skilled woodsman, sets out toward New York City to rescue his parents from the band of British soldiers and Indians who kidnapped them after slaughtering most of their community. Includes historical notes.

After saving the lions from evil Maccomo, Charlie, a boy with the ability to speak the language of cats, goes to Venice to search for his parents and solve the mystery of their kidnapping with help from Bulgarian King Boris.

After fourteen-year-old Enola Holmes seeks the missing Duquessa Del Campo in the seedy underbelly of nineteenth-century London, she finally reaches an understanding with her brothers Sherlock and Mycroft.

A series of burglaries in their quiet community upsets Alex's family, particularly his younger brother Benjie, but the bad guys are no match for the very protective family cat and Benjie's "spy" skills.

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.

Catspeaker Charlie Ashanti finds himself on a boat to the Caribbean where he will be sold to the Corporacy, but his parents and lion friends are in pursuit, and he is determined to outwit his captors.

Fifth-grader Cam uses her photographic memory, with help from her friend Eric and his twin sisters, to solve the mystery of Poochie, a famous canine television star.

Cordelia, Brendan, and Eleanor Walker, aged fifteen to eight, must rely on a mysterious book to face the Wind Witch and her father, the Storm King, who have kidnapped Dr. and Mrs. Walker and brought them to a strange world of magic.

"The Vespers have crossed a line. Amy and Dan were devastated when the Vespers kidnapped seven Cahills around the world, holding them hostage until Amy and Dan delivered an impossible ransom. But at least the hostages were Cahills - members of the world's most powerful family, trained to face all odds. Now the Vespers have gone too far. They've kidnapped Atticus, an innocent 11 year old boy and Dan's only friend. Now Dan and Amy are in the struggle...