When a dragon storms the castle, what should a (virgin) princess do?

Why, turn to her studies, of course! But nothing practical-minded Princess Andromeda of Acadia finds gives a definitive solution. The only Traditional answer, though, is soothing the marauding dragon by a virgin sacrifice. Things are going fairly smoothly with the lottery—except for the women chosen, of course—until Princess Andromeda herself is picked!

But

...

"Twenty-year-old Violet Sorrengail was supposed to enter the Scribe Quadrant, living a quiet life among books and history. Now, the commanding general--also known as her tough-as-talons mother--has ordered Violet to join the hundreds of candidates striving to become the elite of Navarre: dragon riders. But when you're smaller than everyone else and your body is brittle, death is only a heartbeat away...because dragons don't bond to "fragile" humans....

The further adventures of Eragon and his dragon Saphira as they continue to aid the Varden in the struggle against the evil king, Galbatorix.

The House of Berethnet has ruled Inys for a thousand years. Still unwed, Queen Sabran the Ninth must conceive a daughter to protect her realm from destruction--but assassins are getting closer to her door. Ead Duryan is an outsider at court. Though she has risen to the position of lady-in-waiting, she is loyal to a hidden society of mages. Ead keeps a watchful eye on Sabran, secretly protecting her with forbidden magic. Across the dark sea, Tané...

When a princess who behaves like a dragon meets a dragon who wants to be a princess, the unexpected happens.

Chronicles the adventures and misadventures of Hiccup Horrendous Haddock the Third as he tries to pass the important initiation test of his Viking clan, the Tribe of the Hairy Hooligans, by catching and training a dragon.

Though his hot breath is the envy of all the other animals, a young dragon learns that showing off does not make friends.

Unaware that a princess in distress and a dragon on the loose are right behind him, Arthur the farmer thinks that the strange noises he keeps hearing are being made by his tractor breaking down.

Spark's fear of fire has kept him from being a proper dragon, so he takes a job with the Hardscrabble volunteer fire department in hopes of conquering his fear.

When Lin's beloved pet dragon disappears, she searches for him far and wide until a witch helps her to reach the dragon's new home. Introduces a different Chinese character on each step of Lin's adventure.