Helen Stewart Books

City Guilds level 1 certificate in salon services

By Gilly Ford

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Hairdressing with barbering African type hair units

By Gilly Ford

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Using step-by-step procedures and diagrams, this handbook covers all the mandatory units, from health and safety to products and services to barbering techniques, and the most commonly taken option...

Built on faith

By Helen Stewart

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The Porcelain Doll

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The Shawl Society Season 1

By Helen Stewart

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An Introduction To The Hair And Beauty Sector

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S NVQ Level 3 Hairdressing with Barbering Units

By Gilly Ford, Helen Stewart

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What s the Message

By Simon Carnall, Helen Stewart

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What s the Message

By Simon Carnall, Helen Stewart

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Level 3

By Helen Stewart, Ms Gilly Ford

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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.