Eviana Hartman Books

Sew U

By Wendy Mullin

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The Mood guide to fabric and fashion

By Johnny Miller, Eviana Hartman, Tim Gunn, Melanie Falick

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"More than 10 years ago, Tim Gunn and Project Runway introduced millions of viewers to New York's ultimate fabric mecca, Mood Fabrics. Now, the experts behind this fabric power house bring their fa...

Built by Wendy dresses

By Wendy Mullin

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Sew U Home Stretch

By Wendy Mullin, Eviana Hartman

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Sew U Home Stretch

By Wendy Mullin, Eviana Hartman

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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.