I don't recall, not even the slightest, where I picked up this book and a few of more from the series. I started reading it and have loved it. Bazil is a battledragon and his companion is Relkin a dragonboy. A dragonboy is a human who has been assigned to assist, fight with and help care for his battledragon. At first it starts a little slow, but then picks up. Half-way through battles are being fought and they are well detailed and bloody.
So far the story has dragons, humans, elves, imps, trolls, evil men, wizards, witches and hints of long extinct or forgotten races that might possibly exist in the deep remote, like lionmen. After the first battle I had made my mind up to create an army of imps & trolls as well as battledragons and their allies.