Peter Chrisp Books

Welcome to the Globe DK Readers

By Peter Chrisp

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Alexander the Great

By Peter Chrisp

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Follows the history of Alexander the Great and his campaign to conquer the known world, including information on his traveling companions, armies of his time, ships, and food.

Ancient Rome

By Peter Chrisp

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Describes the people, places, and events of Ancient Rome, from the early days of the Republic through the High Empire period and beyond. Includes four two-page spreads with acetate overlays.

Shakespeare DK Eyewitness Books

By Peter Chrisp, DK Publishing

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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.