O Donnell Peter Books

Modesty Blaise: Death in Slow Motion

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The dark underworld of espionage and crime is lit up by the fatal charms of the gorgeous Modesty Blaise — high priestess of pulp crime. Adventurer, spy, racketeer and all-round bad girl, Mode...

Modesty Blaise: The Double Agent

By Peter O Donnell Illustrated By Neville Colvin

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The dark underworld of espionage and crime is lit up by the gorgeous Modesty Blaise — high priestess of pulp crime.  This latest volume features the classic stories The Wild Boar, Kali&r...

Modesty Blaise

By Peter O Donnell, O Donnell Peter

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Modesty Blaise

By O Donnell Peter

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La Marque du loup

By O Donnell Peter

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Wenn im Tal der Mondbaum bluht

By O Donnell Peter

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Modesty Blaise

By O Donnell Peter

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Meg La Pelirroja

By O Donnell Peter

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Modesty Blaise Modesty Blaise series

By O Donnell Peter

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Black Pearl The Vikings

By O Donnell Peter

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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.