The Iron Dragon's Daughter Series

Named a New York Times notable book of 1994, The Iron Dragon's Daughter tells the heartrending story of a changeling child who is kidnapped to a realm of malls and machines and enslaved in a vast, infernal factory. Ultimately, she escapes and attempts to educate herself about this alien world, while being tormented by visions of the life she was denied.

When a mechanical war dragon crash lands in his village and declares itself king, Will le Fey is forced to become its lieutenant. Although he eventually breaks his enslavement, Will is banished by the townspeople, who no longer trust him. While he travels, he befriends a superhuman con artist and an immortal girl with no memory. And when the trio winds up in the extraordinary Faerie metropolis of Babel, Will becomes a champion to the tunnel dwellers below the city....

Caitlin of House Sans Merci is the young half-human pilot of a sentient mechanical dragon. Returning from her first soul-stealing raid, she discovers an unwanted hitchhiker. When Caitlin is framed for the murder of her brother, to save herself she must disappear into Industrialized Faerie, looking for the one person who can clear her. Unfortunately, the stakes are higher than she knows. Her deeds will change her world forever.