A. Trevor Hodge Books

Roman Aqueducts And Water Supply

By A. Trevor Hodge, T Hodge

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Ancient Greek France

By A. Trevor Hodge

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Roman Aqueducts and Water Supply Duckworth Archaeology Duckworth Archaeology

By A. Trevor Hodge

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Ancient Greek France

By A. Trevor Hodge

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As far back as 600 B.C., long before the Romans, cities such as Marseilles, Antibes, Nice, and Monte Carlo were founded by settlers who emigrated from mainland Greece and the older Greek colonies o...

Woodwork of Greek Roofs

By A. Trevor Hodge

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Woodwork of Greek Roofs

By P. D. Garnsey, R. L. Hunter, A. Trevor Hodge, G. C. Horrocks

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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.