Harry Tolley Books

How to Pass Verbal Reasoning Tests

By Ken Thomas, Harry Tolley

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How to pass the police selection system

By Harry Tolley

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Provides advice, practice and exercises to help you prepare for the rigorous tests used by employers, helping you to build up speed, accuracy and confidence. Includes practice on: data interpretati...

Discovering Derbyshire (1)

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The Professional Development Management File

By Harry Tolley, Mary Biddulph, Tony Fisher

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Pre entry to Initial Teacher Training Workbook Beginning Teacher Workbooks

By Harry Tolley, H. Tolley

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Beginning Teaching Professional Development Management File

By H. Tolley

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Block Teaching Practice Beginning Teacher Workbooks

By Harry Tolley

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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.