John Ventura Books

Good Advice for a Bad Economy

By Mary Reed, John Ventura

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Managing debt for dummies

By Mary Reed, John Ventura

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A comprehensive guide to divorce that covers getting finances in order, trial separations, breaking the news to children, handling emotions, dividing assets and debts, spousal support, finding an a...

Everyday law kit for dummies

By John Ventura

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Law for dummies

By John Ventura

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Divorce for Dummies For Dummies

By Mary Reed, Hilary Woodward, Thelma Fisher, John Ventura

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Divorce for dummies

By John Ventura

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The bankruptcy kit

By John Ventura

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Fresh start!

By John Ventura

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The credit repair kit

By John Ventura

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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.