Nick Posegay Books

Points of Contact

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"In the first few centuries of Islam, Middle Eastern Christians, Muslims, and Jews alike all faced the challenges of preserving their holy texts in the midst of a changing religious landscape. This...

Points of Contact

By Nick Posegay

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From the Battlefield of Books Essays Celebrating 50 Years of the Taylor Schechter Genizah Research Unit

By Nick Posegay, Magdalen Connolly, Ben Outhwaite

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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.