John Sanchez Books

Here is one of the most detailed books ever written on flexible weapons for self-defense. John Sanchez examines the unique advantages to fighting with such flexible weapons as chain maces, steel wh...

Blade Master

By John Sanchez

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Microstructural Science for Thin Film Metallization in Electronics

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Baby it s You

By C.A. Keenan

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Non Fiction Fantasy

By Jack Pendleton

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Stress Induced Phenomena in Metallization

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Heart and Soul

By John Sanchez

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Employment Law

By John Sanchez

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Immigration Law

By Dalia Fuleihan, John Sanchez

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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.