Jessica Day George

Eleven-year-old Princess Celie lives with her parents, the king and queen, and her brothers and sister at Castle Glower, which adds rooms or stairways or secret passageways most every Tuesday, and when the king and queen are ambushed while travelling, it is up to Celie, the castle's favorite, with her secret knowledge of its never-ending twists and turns, to protect their home and save their kingdom.

"It's not always easy to live in a castle that rearranges itself every Tuesday, but Princess Celie wouldn't have it any other way. One day she gets the surprise of a lifetime when Castle Glower creates a new tower - on a Wednesday! Inside the mysterious room is a large egg, and it's clear that the Castle wants Celie to protect it. But keeping the egg from the rest of her family is more dfifficult that she ever imagined! How long will Celie be able...

Creel's adventures continue when she, her brother, and her betrothed travel across the seas to visit their dragon friends. They become involved in a battle against an alien group of dragons that has kidnapped Queen Velika, endangering her and her expected litter of hatchlings.

After traveling to the seaside kingdom of Lilah's betrothed prince, Lulath, Celie and her companions are busy training griffins, enjoying wedding festivities, and finishing construction of a grand ship built from parts of the Castle. But on their maiden voyage, the Ship steers them far off course into uncharted waters.

When Princess Petunia is accidentally kidnapped by the band of thieves known as the Wolves of the Westfalian Woods, their leader must make things right by confessing to the king and delivering her to the estate of Prince Grigori's grandmother, Grand Duchess Volenskaya. But sometimes the wolf is the hero and it's the grandmother you have to watch out for ... After being cursed as a child to dance endlessly at a midnight ball with her 11 sisters, Petunia...