Peragine John N. Jr Books

The complete guide to making your own wine at home

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Wine has been a staple of tables around the world for more than 4,000 years and in that time has developed into one of the most widely recognized and highly cultivated beverages in nearly every civ...

The complete guide to growing your own hops malts and brewing herbs

By Peragine John N. Jr

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365 no or low cost workplace teambuilding activities

By Peragine John N. Jr

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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.