Alexandra De Vries Books

Frommer s Vancouver Victoria 2003

By Alexandra De Vries, Shawn Blore

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Frommer s Rio de Janeiro day by day

By Alexandra De Vries

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Frommer's first edition Rio de Janeiro Day by Day is your personal tour guide to the sizzling city of Rio. Specialized tours cater to art and architecture fans or those traveling with kids, while e...

Rio day by day

By Alexandra De Vries

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Frommer's Rio de Janeiro day by day

By Alexandra De Vries

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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.