Wren's Dragon

Wren's Dragon is a YA fantasy novel about a disabled young girl, bullied and outcast who is given the menial job of raising rats and mice to feed to the villages stable of dragons. She loves the dragons and when a rare black dragon with blue wings is born it is destined to be killed in a ritual. The births of blue dragons is thought to bring bad luck to whatever town harbors it. Wren steals the baby dragon and runs away with it, aided by her friend Kirby and her pet gargoyle Tick. The four of them must battle hordes of zombie-like monsters threatening the empire. The city of the Elves join the humans in fighting the monsters and uses magic to help win the day. Wren learns skills and courage she never thought she could possess, both with magic and with her own inner strength.