Katie Lewis Books

The constructive world of advanced Spanish
The constructive world of advanced Spanish

By Katie Lewis, Sam Genovese

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Learn Spanish beyond the basic level with interactive, fast-paced graphics and humor.

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Rising
Rising

By Katie Lewis, Leonora Seitz, Ashlynn Metcalf

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Children of Evolution
Simple sewing
Simple sewing

By Katie Lewis

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Find Your 9others
Hot Blooded Hunter
Hot Blooded Hunter

By Katie Lewis

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The constructive world of advanced Spanish

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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.

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