In a world where the living is bordered by the realm of the dead, a young woman named Sabriel inherits the role of Abhorsen from her father, tasked with keeping the dead at bay and maintaining the balance between life and death. Raised in a boarding school away from the magical Old Kingdom, she must quickly master the art of necromancy and wield the power of the Charter—a set of magical symbols—to navigate through perilous lands and confront a powerful evil that threatens to overwhelm the world of the living. Along her journey, Sabriel is aided by a mysterious cat-like creature and a young man ensnared by a powerful spell, as she seeks to fulfill her destiny and restore harmony to her fractured world.

This novel introduces readers to a world where ancient magic and modern day collide, centered around the life of Nicholas Flamel, a legendary alchemist who possesses the secret to eternal life. When his powerful book, the Codex, is stolen, Flamel and his wife must rely on the help of two teenage siblings, Sophie and Josh Newman, to recover it. The story unfolds across a backdrop of myth and history, weaving together a thrilling adventure that spans across continents and involves figures from lore and legend. As the twins discover their own untapped powers, they become central to the battle between the forces of good and evil, with the fate of the world hanging in the balance.