Arwel Vittle Books

Llyfr lluniau a geiriau sy'n olrhain hanes protest yng Nghymru hyd heddiw. Am y tro cyntaf, mae Arwel Vittle wedi casglu ynghyd y goreuon o luniau protest dros y degawdau. Mae'r casgliad gweledol t...

Valentine

By Arwel Vittle

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Dim Croeso 69

By Arwel Vittle

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I'r gad

By Arwel Vittle

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Pecyn

By Ceri Elen, Sonia Edwards, Sarah Ashton, Arwel Vittle, Gwennan Evans

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Cyfres y Dderwen

By Arwel Vittle

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Cythral o dan Cofio 75 Mlynedd Ers Llosgi r Ysgol Fomio

By Arwel Vittle

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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.