Carla Hegeman Crim Books

Sewn hats

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This book is packed with detailed instructions for making an array of hats for every age, gender, occasion, and style. All pattern pieces are conveniently located online-- no more tracing or keepin...

Pattern making for kids clothes

By Carla Hegeman Crim

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The T shirt quilt book

By Lindsay Conner

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Turn treasured tees into something brand newa T-shirt quilt! Sew 8 special memory quilts, from a pillow or baby throw to bed quilts in multiple sizes. Learn the secrets to choosing, cutting, and in...

Patronaje de moda para ninos

By Carla Hegeman Crim, Alicia Misrahi Valles, Jesus De Cos Pinto

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Sewn Hats

By Carla Hegeman Crim, C. Hegeman Crim

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Sewn Hats

By Carla Hegeman Crim, C. Hegeman Crim

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Sewn Hats

By Carla Hegeman Crim, C. Hegeman Crim

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Essential Sewing Reference Tool

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Essential Sewing Reference Tool

By Carla Hegeman Crim

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T Shirt Quilt Book

By Carla Hegeman Crim, Lindsay Conner

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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.