When the dangerous ancient wizard Arkwright escapes the dungeon and goes missing within the Castle, Princess Celie must find the wizard and save her family.

Heart is convinced that the old man from Castle Avamir can help her find her family, but the old man has been taken prisoner by Lord Dunraven.

The Aldens travel to Ireland to explore castles. While visiting Duncarraig Castle the children discover a cloaked figure roaming around.

After a long hard winter spent with the gypsies, Heart and Moonsilver go in search of her home, Castle Avamir, whose directions are "higher than the clouds, deep in a valley, under the stars, and over the moon.

"In 1865, orphaned Daisy Francois takes a position as housemaid at a midwestern Wisconsin castle and finds that the reclusive and eccentric Gothic authoress inside hides more than the harrowing tales in her novels. With women disappearing from the area and a legend that seems to parallel these eerie circumstances, Daisy is thrust into a web that may threaten to steal her sanity, if not her life. In the present day, Cleo Clemmons is hired by the grandson...

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.

"A high-pitched loud sound in an elevator shaft sends young sleuths Abbi, Daniel, and Lydia on the hunt for the source"--|cProvided by publisher.

"Castle Glower's towers have transported Princess Celie, her siblings, and her pet griffin, Rufus, to an unknown land. As they set out on a dangerous adventure to discover their whereabouts, they find an entire lost people, divided by the wishes of two wizards in a centuries-old quarrel over their beloved home--Castle Glower"--

Isadora knows what it's like to be different. When she and her class go on a field trip to an old castle, Isadora's friends are spooked. What if they see a ghost? Only Isadora knows ghosts aren't scary -- they're just different.

Wolf, on the run from the oppressive monastery where he was raised, rescues a strange child on Devil's Edge, home of ghosts and demons. He takes her to a grand castle hoping to win the favor of its ruler and strikes up an unlikely friendship with a girl named Nest, thinking he's finally found a place to call home. But dark forces are conspiring against Wolf and Nest, and a sinister enemy is looming closer than they could ever realize.