Manon Steffan Ros Books

In this sequel to Trwy'r Darlun, Cledwyn, Siân and Gili Dŵ have yet another adventure. In this novel, they unravel more mysteries about their parents, and we also meet new characters. The winner of...

Fel aderyn

By Manon Steffan Ros

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Bwystfilod a bwganod

By Manon Steffan Ros

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Hilda, Tom and Hywel all gather together to help Teilo Siencyn, the Prime Minister for Wales, to catch the monsters which cause chaos in the country. Thank goodness that Hywel has an old book speci...

Hunllef

By Manon Steffan Ros

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Inc

By Manon Steffan Ros

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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.