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You can listen to and download Dr Corey Olsen’s introductory lecture entitled, ‘How to read Tolkien & Why?’ here. This lecture “deals with Tolkien’s own ideas about how stories should be read and why they are important, focusing primarily on his Preface to the Second Edition of the Lord of the Rings, his essay “On Fairy-Stories,” and some of his letters”.
Dr. Corey Olsen, English professor of medieval literature at Washington College and Tolkien scholar, will be posting a series of lectures on Tolkien’s work on his site. Please note that only the introductory lecture is available without charge.