Cloak of Dragonfire - Jonathan Moeller - Bog

Dragons never forget a debt. My name is Nadia, and I'm a Marshal of the High Queen of the Elves. That means I've learned all kinds of secrets. One of them is that several dozen dragons live on Earth, disguised as famous musicians and wealthy industrialists. Now the dragons are holding a council to determine whether or not they wish to leave Earth, and my job is to persuade them to stay. But so many dragons in one place make a big juicy target for the High Queen's enemies. Including the ruthless cybernetic wizards of Singularity...