Edge chronicles. Original series

In his continuing adventures, Twig, now sixteen years old, joins the crew of his father's sky pirate ship and embarks on a dangerous mission to collect the powerful stromphrax, a substance that purifies water and also prevents the city of Sanctaphrax from floating away.

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.

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

As she dangled percariuosly over the edge, she screamed, 'save yourself, Quint! ' High above the Edge, on an immense floating rock anchored by a giant chain, the city of Sanctaphrax is home to the Edgeworld's academics. At its heart is the famed Knights Academy, where the grightest and the best come to study. One of these studetns is Quint, the son of a sky pirate, struggling to survive a first year of rivalries and plots in a city that is slowly...

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.