Sarah Ridley Books

A Cotton T Shirt How It s Made

By Sarah Ridley

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A metal can

By Sarah Ridley

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Simple text and photographs follow the story of a metal drinks can from the aluminium it's made from to the finished product. Suggested level: junior, primary.

The seaside

By Sarah Ridley

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Using photographs from British history as the starting point, the titles in this series explore what it was like to live in a certain era.

Homes

By Sarah Ridley

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Using photographs from British history as the starting point for the topic, each book in this series explores what it was like to live in the era. Simple questions are featured throughout allowing...

Life in Viking times

By Sarah Ridley

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Packed with facts and incidental information, this series presents easy-to-read guides to life in the ancient times.

Life in Roman times

By Sarah Ridley

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A guide to life in ancient times.

Life in ancient Egypt

By Sarah Ridley

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Packed with facts and incidental information, this series presents easy-to-read guides to life in the ancient times.

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.