Twig, now sixteen years old, joins the crew of his father's sky pirate ship and embarks on a dangerous mission.

Rook Barkwater, one of the apprentices chosen to make a dangerous journey to study in the Deepwoods, joins the sky pirate Captain Twig in opposing the Guardians of the Night and learns more about his own past.

Apprenticed to the Most High Academe of Sanctaphrax, a floating city of scholars, gossip, and treachery, fourteen-year-old Quint runs increasingly dangerous errands, which eventually bring him to a place of gruesome monsters that threaten his life and those of his friends.

Nate Quarter, a lowly lamplighter in the phraxmines of the Eastern Woods, must flee for his life when the mine sargeant wants him killed, while elsewhere, a storm unlike any ever seen is building.

Rook Barkwater, the young librarian knight, attempts to stop Vox Verlix, the Most High Academe, in his plot to take over Edgeworld once again.

"Cade Quarter is on the run - wanted for the crimes of an uncle he has never even met. With nowhere else to go, he sneaks onto the Xanth Filatine, a forbidding skyship bound for the city of Hive. But he is soon forced to abandon ship for the harsh lands of the mighty Deepwoods. Cade must build a new life amongst flesh-eating bloodoak trees, fearsome goblin tribes and monstrous lake creatures. And most mysterious of all, a strange, half-formed giant...

Nine-year-old Fergus Crane's life is filled with classes on the school ship Betty Jeanne, interesting neighbors, and helping with his mother's work until a mysterious box flies into his window and leads him toward adventure.

While traveling with her family aboard the S.S. Euphonia, eight-year-old Corby Flood accidentally attracts the murderous attentions of five men, clad in bowler hats, called the Brotherhood of the Clowns as she investigates the mysterious singing coming from the ship's hold.

Fleeing from the ruins of New Undertown, Rook Barkwater and the librarian knights and Felix Lodd and his banderbear friends must lead the escaping population to a new life in the Free Glades.