Tom Holland Books

Rubicon: The Triumph and Tragedy of the Roman Republic

By Tom Holland

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Millennium: The End of the World and the Forging of Christendom

By Tom Holland

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The Wolf-Girl, the Greeks, and the Gods

By Tom Holland

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The magic of mythology meets the grit of history in a blazing blockbuster retelling of the Persian Wars from award-winning author Tom Holland.I come to tell you a story. A story unlike any that has...

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.