Martingale Books

"Here's everything you ever wanted to know about crochet. This indispensable reference will guide you through everything from beginner's basics through stitches and techniques for every shape and t...

Knitting the Chill Away

By Martingale

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Knit Boutique

By Martingale

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Crocheted Snugglers

By Martingale

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Boho crochet

By Hazel Eriksson, Julie Brooke

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Discover a vibrant collection of crocheted projects that exemplify a bohemian spirit. Whether you're new to the crochet sconce or already an expert, you'll be inspired to create original pieces fea...

Turf Characters

By Martingale

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Paper it .

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101 gorgeous earrings

By Dawn Anderson

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All about knitting.

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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.