The Magicians of Caprona/Witch Week (The Chronicles of Chrestomanci, Volume 2)

In the multiple parallel universes of the Twelve Related Worlds, only an enchanter with nine lives is powerful enough to control the rampant misuse of magic - and to hold the title Chrestomanci. . . .

In one world, the peaceful city-state of Caprona is threatened by the malevolent machinations of a mysterious enchanter . . . and in another, magic is outlawed and witches are still burned at the stake. Anywhere magic has gone dangerously awry, there is only one solution - call upon the Chrestomanci.