|The Principles of Re-Materialisation|
"The Principles of Re-Materialisation" was the title of an essay written by Hermione Granger as homework in 1996. Hermione pulled this essay away from Ron Weasley when she noticed he was trying to copy it.
- Harry Potter and the Half-Blood Prince (First appearance)
Notes and references
- ↑ Half-Blood Prince, Ch. 10