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|"Is this all real? Or has this been happening inside my head?"
The subject of this article is of a real-life person, place, group, company, product, or creative work that has been mentioned "in-universe" in a canon source. The Harry Potter Wiki is written from the perspective that all information presented in canon is true (e.g., Hogwarts really exists), and, as such, details contained in this article may differ from real world facts.
Richard Horatio Edgar Wallace (1 April, 1875—10 February, 1932) was an English crime writer, journalist, novelist, screenwriter, and playwright, who wrote 175 novels, 24 plays, and numerous articles in newspapers and journals.
- Harry Potter films (Mentioned on book spine only)
- The Making of Harry Potter (Mentioned on book spine only)