Verlyn Flieger Books

Tolkien On Fairy-Stories

By Verlyn Flieger

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Tolkien's Legendarium: Essays on The History of Middle-earth

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Pagan Saints in Middle earth

By Tom Shippey, Verlyn Flieger, Claudio A. Testi

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Splintered light

By Verlyn Flieger

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A question of time

By Verlyn Flieger

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J.R.R. Tolkien's The Hobbitt, The Lord of the Rings, and Silmarillion have long been recognized as among the most popular fiction of the twentieth century, and most critical analysis of Tolkien has...

A Question of Time

By Verlyn Flieger

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Interrupted music

By Verlyn Flieger

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Tolkien Studies

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There Would Always Be a Fairy Tale

By Verlyn Flieger

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There Would Always Be a Fairy Tale

By Verlyn Flieger

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.