Very Very hard Homework

Took me ages.
Across:- 3. Wizengamot 4. Boggart 5. Marietta Edgecombe 8. Sirius Black 10. Arabella Figg 12. Tonks 13. Dumbledore 14. Doxy 15. Order of the Phoenix 16. Shacklebolt 17. Scrivenshafts 19. Kreacher 20. Madam Puddifoot's
Down:- 1. Severus Snape 2. Honeydukes 6. Grimmauld Place 7. Ministry of Magic 9. Mundungus 11. Umbridge 15. Occlumency 18. Hogs Head.

Phew, glad that's over....