

Chrestomanci
2 books
The Chrestomanci series by Diana Wynne Jones has 2 books. Start with Charmed Life (The Chrestomanci) (1977), then read the rest in the order below.
Chrestomanci reading order

Charmed Life (The Chrestomanci)
Diana Wynne Jones
In a world where magic is commonplace, young Cat lives in the shadow of his extraordinarily gifted sister, Gwendolen. Their lives take a dramatic turn when they are brought to the legendary Chrestomanci Castle, a place of immense magical power and responsibility. However, Gwendolen's frustration with her perceived lack of recognition ignites a dangerous ambition, leading her to concoct a plan that threatens the very fabric of reality. Cat must navigate this perilous situation, uncovering secrets about his own past and the true nature of magic itself, as he grapples with his sister's escalating schemes.

The Lives of Christopher Chant
Diana Wynne Jones
Christopher Chant lives a seemingly ordinary life, despite his family's powerful magical lineage. His true adventures unfold in his dreams, where he journeys to fantastical realms known as the Almost Anywheres. These dreams become more than just visions when Christopher discovers he can bring tangible objects back from them, hinting at a latent power within him. Soon, his extraordinary abilities are recognized, leading to an unexpected summons to Chrestomanci Castle, where he must train to become the guardian of all magic in the world.