Garth Nix

"As a child, Sabriel was sent across the Wall to Ancelstierre to safety. Now eighteen years old, she receives a cryptic and desperate message from her father, the Abhorsen—the magical protector whose task it is to bind and send back to Death those who won’t stay Dead. Fiercely determined to help her father, who is perilously trapped in Death, and save him from the sinister Free Magic entity that has somehow ensnared him, Sabriel must prepare...

"Sir Hereward: the only male child of an ancient society of witches. Knight, artillerist, swordsman. Mercenary for hire. Ill-starred lover. Mister Fitz: puppet, sorcerer, loremaster. Practitioner of arcane arts and wielder of sorcerous needles. Sir Hereward and Mister Fitz: godslayers. Agents of the Council of the Treaty for the Safety of the World, charged with the location and removal of listed extra-dimensional entities, more commonly known as...