Barnaby Grimes, a punctual lad who runs errands around the city, seeks out mysteries to solve, is attacked one night by a huge dog, and gets caught up in a world of corrupt doctors, strange potions, and expensive furs.
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.
Quint leaves his studies at the Knights Academy in Sanctaphrax to assist his father Wind Jackall in his obsessive and dangerous quest to track down and bring to justice the evil Turbot Smeal.
Nate Quarter is forced to flee for the city of Great Glade, where he joins forces with a small band of friends to search for the life-giving waters of the mystical Riverrise spring, which is guarded by a mysterious waif.
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.
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.
Apprenticed to the Most High Academe od Sanctaphrax, a floating city of scholars, gossip and treachery, 14 yr old Quint runs increasingly dangerous errands, which eventually bring him to a place of gruesome monsters that threate his life and those of his friends.
