Nancy Langdon Books

Sewing Clothes Kids Love

By Nancy Langdon, Nancy J. S. Langdon, Sabine Pollehn, Nancy J.S. Langdon And Sabine Pollehn

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This is a book of colorful and imaginative children’s clothes to sew, designed with kids in mind. The authors are designers and owners of two popular pattern companies for kid’s clothes—Farbenmix a...

Singer: The Complete Photo Guide To Sewing, 3rd Edition

By Nancy Langdon, Nancy J. S. Langdon

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Singer: The Complete Photo Guide to Sewing, 3rd Edition is the essential one-stop reference every sewer needs. Step-by-step instructions and hundreds of photos and diagrams make it easy to understa...

COSTURA A MAQUINA

By Nancy Langdon

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Knitting Clothes Kids Love Colorful Accessories For Heads Shoulders Knees Hands Toes

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Knitting Clothes Kids Love

By Nancy Langdon, Kate Oates

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Singer

By Nancy Langdon

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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.