Olumide Popoola Books

This is not about sadness

By Olumide Popoola

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When we speak of nothing

By Olumide Popoola

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"Best mates Karl and Abu are both 17 and live near King's Cross. It's 2011 and racial tensions are set to explode across London. Abu is infatuated with gorgeous classmate Nalini but dares not speak...

Breach Peirene Now

By Olumide Popoola

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When We Speak of Nothing

By Olumide Popoola

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Also by mail

By Olumide Popoola

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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.