A Hat Full of Sky (Tiffany Aching #2 / Discworld #32)

Terry Pratchett

Tiffany Aching is going 'into service?- to be a lady, no less, a maid in a big house. At least, this is what she tells her parents. Really, Tiffany is going away to learn magic.But making friends with fellow witches is always difficult when an invisible-being-that-cannot-be-killed takes over your body -...