The city was stuffed full of wickedness, everyone knew that. Banished to the Midwatch Institute for Orphans, Runaways and Unwanted Girls, Maggie Fishbone is sure she's in for a life of drudgery. But she quickly discovers there's more to the Midwatch than meets the eye.

The city shimmers with jewels and secrets, and soon Maggie is thrust into an adventure that takes her deep underground, high above the clouds and face to face with danger itself.Turn the page and prepare to be drawn into a lavishly illustrated world, brimming with mystery, unlikely heroines and an adventure as big as the sky.