Tony Levene Books

Tax Handbook 2007 2008 Which Essential

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Tax handbook 2013 14

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Tax affects everyone - from the retired or those with savings and investments to the self-employed and employed; from the thousands of people who make charitable donations every month to those who...

Paying Less Tax 2006 2007 For Dummies

By Tony Levene

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Paying Less Tax 2006 2007 for Dummies For Dummies

By Tony Levene

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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.