Sue Leather Books

The Oxford Bookworms Library: Stage 4: 1,400 Headwords: Desert, Mountain, Sea

By Sue Leather

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Death in the Dojo Pilot edition

By Sue Leather

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Death in the Dojo, Level 5

By Sue Leather

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Award-winning original fiction for learners of English. At seven levels, from Starter to Advanced, this impressive selection of carefully graded readers offers exciting reading for every student's...

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.