Charlie Mortimer Books

Dear Lupin

By Roger Mortimer

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Dear Lupin...

By Charlie Mortimer

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Roger Mortimer's sometimes hilarious, sometimes touching, always generous letters to his son are packed with anecdotes and sharp observations, with a unique analogy for each and every scrape Charli...

Dear Lupin...

By Charlie Mortimer

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Dear Lupin

By Roger Mortimer

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Lucky Lupin

By Charlie Mortimer

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1 volume

Dear Lupin Letters To A Wayward Son

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Dear Lupin

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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.