"Noble children Thomas and Emily have always known their mother to be sensible, the lady of the castle-if anything, a bit boring. But then they discover Meg, a cranky scribe who lives in the castle basement, leading a quirky group of artists in producing party invitations and other missives for the nobles above. Meg claims that she was a friend of their mother's back when the two were kids--even before the dragon lived in the castle. Wait--a dragon?...

"Magic is fading from Wales -- choked off by King Offa's Dyke, the enemy earthworks that spans the entire border. Even the dragons have disappeared. And now an attack is imminent. Prince Taliesin would love to watch magic die. Prince Dafydd fears it, and the throne. But when their father promises the crown to whichever son can destroy the dyke and restore magic to Wales, the brothers are forced into an uneasy rivalry. Ffion works hedgewitch magic...