Carol Vorderman Books

Programa tus juegos con Scratch

By Carol Vorderman

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Programa tus proyectos con Scratch 3.0

By Carol Vorderman

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Master Sudoku

By Carol Vorderman

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Master the Numbers Game That’s Taking the World by StormWhether you’re one of the millions of people already obsessed with the number puzzles called Sudoku (a Japanese logic game that’s like a comb...

Easy Sudoku for Everyone

By Carol Vorderman

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STARTING SUDOKU? THIS IS THE BOOK FOR YOU! Over 120 Simple Puzzles Sudoku, the number-placing logic game that’s like a cross between a Rubik’s Cube and a crossword puzzle, isn’t just for puzz...

Extreme Sudoku

By Carol Vorderman

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Do you know and love Sudoku, the number-placing logic puzzle? Can you breeze through easy puzzles in a matter of minutes, and zip through the harder puzzles, as well? Are you looking for harder and...

Dirty Loud and Brilliant

By Carol Vorderman

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Dirty Loud and Brilliant Too

By Carol Vorderman

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What s the Time Mr Wolf Cambridge Reading

By Kate Ruttle, Gill Budgell

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How Math Works

By C. Vonderman

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How Mathematics Works Eyewitness Science Guides

By Carol Vorderman

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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.