When sixteen-year-old orphan Tessa Fell's older brother suddenly vanishes, her search for him leads her into Victorian-era London's dangerous supernatural underworld. Shortly after, she discovers that she is a Downworlder and must learn to trust the demon-killing Shadowhunters if she ever wants to learn to control her powers and find her brother.
General Note
"A prequel to the ... Mortal instruments series"--Jacket.