Diana Wynne Jones

When Charmain is asked to housesit for Great Uncle William, the Royal Wizard of Norland, she is ecstatic to get away from her parents, but finds that his house is much more than it seems.

After his grandfather dies, Andrew Hope inherits a house and surrounding land in an English village, but things become very complicated when young orphan Aidan shows up and suddenly a host of variously magical townsfolk and interlopers start intruding on their lives.

Adventures of the Chrestomanci, an enchanter with nine lives, whose job is to control the practice of magic in the infinite parallel universes of the Twelve Related Worlds.

The curse on Orban spreads bad luck to the rest of the Otmounders, the Giants, and the Dorig until three Otmounder children are born with Gifts.

Sent to a boisterous family gathering in Ireland by her overly strict grandmother, orphaned Hayley feels out of place until her unruly cousins include her in a special game involving travel through the mythosphere, the place where all the world's stories can be found, and where some secrets of her past are revealed.

Adventures of the Chrestomanci, an enchanter with nine lives, whose job is to control the practice of magic in the infinite parallel universes of the Twelve Related Worlds.