1. He asked them which book or books they were reading then.
2. He asked them where their favorite place to read was.
3. He asked them who their favorite poet was.
4. He asked them who their favorite character was.
5. He asked them to name three desert island choices.
6. He asked them what their favorite children's book was.
7. He asked them what book they would like to be filmed.
8. He asked them which book changed their life.
9. He asked them which book they would think was good reading for everyone.