Across
- 1. Seventh element on the periodic table
- 4. Author of The Northern Lights, Phillip ___
- 5. Title of the fourth chapter of The Northern Lights, The ___
- 10. Partners in puzzle solving
- 11. Nitrogen and 3 hydrogens
Down
- 2. Colour opposite red on a standard Rubik’s cube
- 3. What to do in a locked room
- 6. Where Hobbits live
- 7. Things that infect
- 8. Gandalf, Harry
- 9. Three book series