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.

Visiting her grandmother in Australia, Livy, ten, is reminded of the promise she made five years before to Bob, a strange, green creature who cannot recall who or what he is.

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. Sailing toward dawn, and I was perched atop the crow's nest, being the ship's eyes. We were two nights out of Sydney, and there'd been no weather to speak of so far. I was keeping watch on a dark stack of nimbus clouds...

Edward is the King of England. He's also dying, which is inconvenient, as he's only sixteen and he'd rather be planning his first kiss than who will inherit his crown. Jane, Edward's cousin, is far more interested in books than romance. Unfortunately, Edward has arranged to marry her off to Gifford secure the line of succession. And Gifford is, well, a horse. That is, he is an Eðian (eth-y-un, for the uninitiated) who becomes a chestnut steed every...

Crusty dragon Miss Drake's new pet human, precocious ten-year-old Winnie, not only thinks Miss Drake is her pet, she accidentally brings to life her "sketchlings" of mysterious and fantastic creatures hidden in San Francisco, causing mayhem among its residents.

Continues the story of Austrian Prince Alek who, in an alternate 1914 Europe, eludes the Germans by traveling in the Leviathan to Constantinople, where he faces a whole new kind of genetically engineered warships.

Matt Cruse, a student at the Airship Academy, and Kate de Vries, a young heiress, team up with a gypsy and a daring captain, to find a long-lost airship, rumored to carry a treasure beyond imagination.

A Dogg family and a Katt family are spending their vacations at Western Frontier Park fighting with each other when a youngster from each family becomes lost in the dangerous forest.

To save an injured flying horse, eight-year-old Maggie must journey through the Enchanted Forest, which is full of dangerous trolls and goblins, to find a kindly stableman named Bob, who cares for many different magical animals.

"Alice TodHunter Moon, now apprentice to the ExtraOrdinary Wizard Septimus Heap, must locate the Egg of the Orm--a source of great Magyk--before the baby Orm hatches and imprints on the evil sorcerer Oraton-Marr"--