J. R. R. Tolkien Books

The Fellowship of the Ring

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The second part of J.R.R. Tolkien's epic adventure THE LORD OF THE RINGS now fully corrected and revised, in collaboration with Christopher Tolkien, for the 50th anniversary of its first publicatio...

The Lord of the Rings: The Return of the King

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The third part of J.R.R. Tolkien's epic adventure THE LORD OF THE RINGS now fully corrected and revised, in collaboration with Christopher Tolkien, for the 50th anniversary of its first publication...

The Lord of the Rings Boxed Set

By J.R.R. Tolkien

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The Tolkien Treasury Box Set: Complete & Unabridged

By J.R.R. Tolkien

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The Lord of the Rings: The Two Towers Pt. 2

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The Lord of the Rings: The Return of the King Pt. 3

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Concluding the story begun in The Hobbit, this is the final part of Tolkien’s epic masterpiece, The Lord of the Rings. The armies of the Dark Lord Sauron are massing as his evil shadow spreads eve...

Tales from the Perilous Realm

By J.R.R. Tolkien

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The Children of Hurin

By Gale Zoe Garnett, J.R.R. Tolkien

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The Children of Hurin

By J.R.R. Tolkien

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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.