Helen Greathead Books

Tough Jobs! is a new narrative non-fiction series covering popular historical topics through a variety of colourful jobs in a down-to-earth, readable style, with plenty of toilet humour! In Knight...

Pirate

By Helen Greathead

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Big Jobs! is a new narrative non-fiction series covering popular historical topics through a variety of colourful jobs in a down-to-earth, readable style, with plenty of toilet humour! In Pirate yo...

Gladiator

By Helen Greathead

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This is a new narrative non-fiction series covering popular historical topics through a variety of colourful jobs in a down-to earth, readable style, with plenty of toilet humour. Ages 7-9.

Fighter pilot

By Helen Greathead

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Tough Jobs! is non-fiction covering popular historical topics in a down-to-earth, readable style, with plenty of toilet humour! In Fighter Pilot your dream is to become a heroic fighter pilot. Expe...

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.