Reinhard Engel Books

Learn SQL the fun and easy way -- no programming experience needed! SQL For Dummies, 7th Edition, shows programmers and web developers how to use SQL to build relational databases and get valuable...

Erfolgreiche Verkaufsabschluss Fur Dummies

By Tom Hopkins, Reinhard Engel

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Erfolgreiche Verkaufsabschluss Fur Dummies

By Tom Hopkins, Reinhard Engel

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Erfolgreiche Verkaufsabschluss Fur Dummies das Pocketbuch

By Tom Hopkins, Reinhard Engel

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Entspannen Durch Meditation FA 1 4r Dummies das Pocketbuch

By Stephan Bodian, Reinhard Engel

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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.