Silver Scales - The Warlock, the Hare, and the Dragon, #1

The fate of Sir Damon Kildare's soul rests on finding the silver scales of a living dragon, a quest the woman who damned him wants him to fail. Kildare expects to fail, too: the last dragon was slain eighteen years ago by humans intent on genocide. And the scales are only one part of the infernal challenge: there are two more he hasn't even identified, much less obtained. But the daughter of the last surviving dragonslayer, Zenobia Gardsmark, is determined to save his soul.
She has aid from unlikely corners: from Madden, Kildare's magical hare companion, to indomitable ogres and determined schoolgirls. She'll need whatever help she can get, because all the forces of Hell are against them, and time is running out... Will God allow demons to drag a good man into the Abyss? And will Zenobia and their friends find the answer before it's too late?