When the mirror in the magic attic transports her to a medieval French castle, Megan befriends a peasant girl and helps in a plan to rescue a unicorn

Meg witnesses a theft during a trip to an authentic medieval castle with her class and must piece together the clues offered in the text and illustrations to solve the case.

When Geronimo's uncle Samuel S. Stingysnout invites the whole Stilton family to Penny Pincher Castle, Geronimo can tell that it's going to be one super-spooky trip!

In a witch's house, nothing is as it seems. When a scarecrow climbs over the garden wall, delivering twelve-year-old orphan Zita Brydgeborn a letter saying she has inherited a distant castle, she jumps at the chance of adventure. But little does she know that she is about to be thrust into a centuries-old battle between good and evil. Blackbird Castle was once home to a powerful dynasty of witches, all of them now dead under mysterious circumstances....

Magically-gifted Charlie Bone, accompanied by his best friend's dog, Runner Bean, comes to the rescue when the enchanter Count Harken takes revenge on the Red King's heirs by kidnapping and imprisoning Charlie's ancestors in the dark, forbidding land of Badlock.

Eight-year-old Jack and his younger sister Annie use the magic treehouse to travel back to the Middle Ages, where they explore a castle and are helped by a mysterious knight.