After this, Boy became very curious about the mansion where the clothes and the food came from. He made me describe everything. Then he asked Good Thing 'Are there books in this mansion, too?'
'And pictures and jewels,' Good Thing said through me. 'What does Master wish me to fetch? There is a golden harp, a musical box like a bird, a—'
'Just books,' said Boy. 'I need to learn. I'm still so ignorant.

Author: Diana Wynne Jones