Shortly after the Lexicon was created in 2000, the first essay appeared: The Limits of Magic by Caius Marcius. From that point on, the Lexicon’s collection of canon-based essays grew and grew. As the book series progressed, many of those essays became outdated or were proven wrong. However, they are all included in our collection as an archive of fan thinking and speculation during those exciting years. You can find all those essays, plus new ones as they get published, listed here. The following listing of essays is in reverse chronological order — the more recent essays are listed first.

• Essay
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Since the arrival of Half-Blood Prince on July 16th, 2005, Harry Potter fans have been endlessly searching for Horcruxes. We find ourselves repeating the Horcrux possibilities just like Harry does in Half-Blood Prince: “the cup, the locket, the snake, something of Gryffindor or Ravenclaw’s . . . .” (HBP30). Several Horcrux identity theories have been circulating, with claims ranging from Tom Riddle’s mouth organ to Gryffindor’s old toothbrush. After reading… Read More
• Essay
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The Hogwarts Express has been the subject of various essays exploring its nature and function. As has been plausibly noted elsewhere on this site, it isn’t really a steam engine, but rather a magical transportation device that mimics a Muggle equivalent in external form and function. This is consistent with the general trend in Wizard “technology,” which seems… Read More
• Essay
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Every living thing has genes that largely determine its appearance. Humans (magical or Muggle) look like humans because they have human genes; dogs look like dogs because they have dog genes; cats look like cats because they have cat genes. The set of genes that make up an individual person or dog… Read More
• Essay
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I read with interest the essay “Magic, Genes, and Pure Blood,” by glamourousgeek, being myself involved in research into the complex inheritance of magic, but I must take exception to the science expressed within it.[*] Even if the magic trait is inherited through Mendelian genetics (which does not quite… Read More
• Essay
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“One day,” said Hermione, sounding thoroughly exasperated, “you’ll read Hogwarts, A History, and perhaps that will remind you that you can’t Apparate or Disapparate inside Hogwarts.” (OP23) “Well, he [Dumbledore] can’t have Disapparated!” cried Umbridge. “You can’t inside this school—” (OP27) Quietly, tentatively, Harry spoke into the darkness. “Kreacher?” There was a very… Read More
• Essay
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  A pile of critical rubbish has been composting around J. K. Rowling [Editor’s Note: The link provided is to an archive of jkrowling.com, which was superseded by Pottermore.] and her Harry Potter books ever since they were discovered by young (and not-so-young) readers and became phenomenal best sellers. The charges, briefly, as these. (1)… Read More
• Essay
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Here in the Lexicon, there are multiple essays on Harry, Hermione, Ron, Ginny, Snape, physical locations, creatures, and practically anything else you can name. And yet there is not one essay about one person whose fate is tightly linked to Harry’s, and who has been moving gradually but inexorably towards a more important position in the books: Neville Longbottom. I think Neville becoming… Read More
• Essay
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Love and death are major themes in J.K.Rowling’s Harry Potter books. She herself has said in a recent interview in recent interview in The Tatler magazine that “My books are largely about death.” And in Harry Potter and the Half-Blood Prince, one of J.K. Rowling’s chosen spokespersons, Professor Dumbledore, impresses upon Harry that his “ability… Read More
• Essay
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Two Modest Predictions Dumbledore vivens . . . And Now Another: Dumbledore the Fraud Snape the Accessory The Unbreakable Vow Unbroken . . . Snapeque bonamicus The “Buddy” Plot Understanding Snape Harry the Adult The Proud and the Prejudiced Modest Conclusions Severe Spoiler Warning: This essay presumes that its readers have… Read More
• Essay
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After thinking carefully through the various factors involved, I cannot help but conclude that the most logical scenario, based on all the available evidence, is that Harry is a Horcrux. I will structure this essay in four sections. First, I will discuss the background. Second, I will discuss the evidence indicating that Harryis a Horcrux. Read More
• Essay
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Although Spinner’s End is probably not a real place in a real town, it’s reasonable to assume that it’s in an imaginary town in an area where towns of that type are found—just as Little Whinging is an imaginary town, but of a recognizably Surrey type. An argument has been made Spinner’s… Read More
• Essay
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Table of Contents Introduction Pensieves Memory as a Weapon Memory as Aid Modification of Memory Memory in Objects Memory Embodied as a Threat Conclusion   Introduction As Muggles, memory is a fairly straightforward process for us and unless we read a story about someone with amnesia or about a… Read More
• Essay
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We are just two years or less from reaching the end of the Harry Potter series and many essential questions have been answered, either by the books themselves, by J.K. Rowling, or by cunning readers who have racked their brains to work out even the finest details of the universe she has created. Read More
• Essay
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Introduction It only took a second. J. K. Rowling had agreed to talk about her writing for the television documentary, Harry Potter and Me. She took random pages from her endless boxes of notes. She flashed up a page with a brief comment, “This is a list of all the students… Read More
• Essay
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Introduction One of the most intriguing ideas in Harry Potter and the Philosopher’s Stone is that Professor Dumbledore set up events so that Harry would try and stop the theft of the Philosopher’s Stone by Voldemort. Many events in Harry’s first year seem to indicate this: his dealings with Hagrid, being given his father’s Invisibility Cloak (twice), his discovery of the Mirror of Erised, and his detention in… Read More
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Number twelve, Grimmauld Place is the location of much of the action in Chapters 4 to 10 of Harry Potter and the Order of the Phoenix. It is Sirius Black’s ancestral home, and the headquarters of the Order of the Phoenix. This essay discusses its possible location, and also that of the Ministry of Magic. Read More
• Essay
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Although I am aware — reluctantly aware, but still aware — that Harry Potter is a fictional character, the fact remains that he has a birth date. Any person, real or otherwise, with a birth date also has an astrological birth chart, and Harry is no exception! In analyzing Harry Potter’s chart… Read More