Who Hq Books

What Is the Story of Doctor Who?
What Is the Story of Doctor Who?

By Gabriel P. Cooper Illustrated By Gregory Copeland

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Who HQ brings you the stories behind the most beloved characters of our time.This What Is the Story of? title is out of this universe! Learn the history of the Time Lord, the TARDIS, and the epic b...

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Where is the Vatican
Where is the Vatican

By

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Who Was Sam Walton?
Who Was Sam Walton?

By James Buckley Jr. Illustrated By Ted Hammond

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The story of a department-store trainee who became the richest man in America and owner of the biggest retail store in the world: Walmart. Sam Walton used the money he earned in the army, along wi...

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Who Was A. A. Milne
Who Was Benedict Arnold
Who Was Catherine the Great
Who Was Confucius
Who Was David Bowie
Who Was Duke Ellington
Who Was H. J. Heinz

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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.

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