Robert N. Chan Books

Apparitions

By Robert N. Chan

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Axe of God

By Robert N. Chan

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Lying in wait

By Robert N. Chan

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"Sadistic genius has to find an outlet, and is there any better than manipulating and torturing a beautiful, smart, witty, woman who's been horribly damaged by childhood abuse? Penn Stone creates t...

Girl

By Robert N. Chan

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Bad Memory

By Robert N. Chan, Zahirah Abdulah

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Bad Samaritan

By Robert N. Chan, Chan Robert N.

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To Gain the Whole World

By Robert N. Chan

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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.