Abhorsen, the brilliant conclusion of the "Old Kingdom Trilogy", basically sums up the events that take place as Lirael and Sameth leave the Abhorsen's House.
Desparate to defy the Dead (note capital letter) who have reawakened against nature's laws, Lirael and Sameth travel down to Ancelstirre in hope to find Sameth's friend Nicholas, gone missing, and to capture and bind into death the necromancer and sorcerer Hedge, who is awakening the Dead.
However, that is not all they have to confront. With a sudden discovery about a ninth Great Spirit, somehow linked with Sameth's frind Nichloas, things may as well be written in a death book... so, we ask that common question: will they (Lirael and Sameth) be enough to face this monster? And what of Sabriel?