Peter Spear Books

The Space Quest Companion

By Peter Spear, Jeremy Spear

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The King's Quest Companion

By Peter Spear

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Answers, Answers, Answers ...Play Through and Win All the King's Quest Games with the Answers You'll Find Here You're holding the one book that can give you all the help and answers you need to su...

The Official Wizardry Companion 3.5 Disk Included

By Peter Spear, Jeremy Spear

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Study Guide to Accompany Psychology

By Peter Spear

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The Authorized, Uncensored Leisure Suit Larry Bedside Companion

By Peter Spear

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AUTH UNCENS LEISURE SUIT LARRY Bantam Game Mastery Series

By Peter Spear

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AUTH UNCENS LEISURE SUIT LARRY

By Peter Spear

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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.