Clockwork Angel: Infernal Devices Book One by Cassandra Clare - 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, and when she discovers that she herself is a Downworlder, she must learn to trust the demon-killing Shadowhunters if she ever wants to learn to control her powers and find her brother.
Airman by Eoin Colfer - In the late nineteenth century, when Conor Broekhart discovers a conspiracy to overthrow the king, he is branded a traitor, imprisoned, and forced to mine for diamonds under brutal conditions while he plans a daring escape from Little Saltee prison by way of a flying machine that he must design, build, and, hardest of all, trust to carry him to safety.
Foundling: Monster Blood Tattoo Book One by D.M. Cornish - Having grown up in a home for foundlings and possessing a girl's name, Rossamünd sets out to report to his new job as a lamplighter and has several adventures along the way as he meets people and monsters who are more complicated that he previously thought. Includes glossaries and maps.
Magic Under Glass by Jaclyn Dolamore - A wealthy sorcerer's invitation to sing with his automaton leads seventeen-year-old Nimira, whose family's disgrace brought her from a palace to poverty, into political intrigue, enchantments, and a friendship with a fairy prince who needs her help.
Vogelein: A Clockwork Faerie by Jane Irwin - Created in 17th-century Germany, Vogelein, a mechanical fairy doll, has a life of her own as long as her caretaker remembers to wind her once a day, but when her latest caretaker dies, she is left to find her own way in a modern city.
The Iron Thorn: Iron Codex Book One by Caitlin Kittredge - In an alternate 1950s, mechanically gifted fifteen-year-old Aoife Grayson, whose family has a history of going mad at sixteen, must leave the totalitarian city of Lovecraft and venture into the world of magic to solve the mystery of her brother's disappearance and the mysteries surrounding her father and the Land of Thorn.
Airborn by Kenneth Oppel - Matt, a young cabin boy aboard an airship, and Kate, a wealthy young girl traveling with her chaperone, team up to search for the existence of mysterious winged creatures reportedly living hundreds of feet above the Earth's surface.
The Golden Compass: His Dark Materials Book One by Philip Pullman - Accompanied by her daemon, Lyra Belacqua sets out to prevent her best friend and other kidnapped children from becoming the subject of gruesome experiments in the Far North.
Fever Crumb: Hungry City Chronicles, Prequels Book One by Philip Reeve - Foundling Fever Crumb has been raised as an engineer although females in the future London, England, are not believed capable of rational thought, but at age fourteen she leaves her sheltered world and begins to learn startling truths about her past while facing danger in the present.
The Death Collector by Justin Richards - Three teens and a curator of unclassified artifacts at the British Museum match wits with a madman determined to use unorthodox methods to reanimate the dead, both humans and dinosaurs.
The Hunchback Assignments: Hunchback Assignments Book One by Arthur G. Slade - In Victorian London, fourteen-year-old Modo, a shape-changing hunchback, becomes a secret agent for the Permanent Association, which strives to protect the world from the evil machinations of the Clockwork Guild.
Leviathan: Leviathan Book One by Scott Westerfeld - In an alternate 1914 Europe, fifteen-year-old Austrian Prince Alek, on the run from the Clanker Powers who are attempting to take over the globe using mechanical machinery, forms an uneasy alliance with Deryn who, disguised as a boy to join the British Air Service, is learning to fly genetically-engineered beasts.
The Haunting of Alaizabel Cray by Chris Wooding - As Thaniel, a wych-hunter, and Cathaline, his friend and mentor, try to rid the alleys of London's Old Quarter of the terrible creatures that infest them, their lives become entwined with that of a woman who may be either mad or possessed.