Part 3 of the A World of Magic and Dreams series A Howl’s Moving Castle Fanfic Lettie Hatter had been his apprentice several months before Ben realized how stupidly rash the offer had been. Everything had settled so neatly the day the Witch of the Waste had been killed that it had seemed only natural that, as the girl he loved required a more advanced magical instructor, he should invite her to become his apprentice.