Thomas Silvin Books

Essential English Grammar Supplementary Exercises Indian edition

By Helen Naylor, Raymond Murphy

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Vera, Heidelberg

By Thomas Silvin

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"Vera is a single student who spends all her time studying for her exams and never usually goes out but one day she takes a break and goes to the pub. There she finds Marco with an unknown man ... "

LESE NOVELAS.A1.Anna Berlin.Libro CD

By Thomas Silvin

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Vera Heidelberg

By Thomas Silvin

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"Vera is a single student who spends all her time studying for her exams and never usually goes out but one day she takes a break and goes to the pub. There she finds Marco with an unknown man ... "

Hueber Lese Novelas Tina Hamburg Leseheft German Edition

By Thomas Silvin

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LESE NOVELAS.A1.Tina Hamburg.Libro CD

By Thomas Silvin

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LESE NOVELAS A1 Julie Koln. Libro

By Thomas Silvin

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Julie Ko ln

By Jakob Riedl, Thomas Silvin

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Julie, Ko ln

By Jakob Riedl, Thomas Silvin

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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.