Jonathan Reggio Books

Hanging Man The Arrest of Ai Weiwei

By Barnaby Martin

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Hanging Man

By Barnaby Martin, Jonathan Reggio

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One Day the Shadow Passed

By Jonathan Reggio

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An uplifting contemporary fable to take heed of in our busy 21st century worldFeeling ill at ease with contemporary life, James leaves the teeming cities behind and sets out on a pilgrimage across...

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.