Leo L. Sullivan Books

Life

By Leo L. Sullivan

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Dangerous Triple Crown Publications Presents

By Leo Sullivan

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Innocent

By Leo L. Sullivan

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"After years of tricking for money, Tamara lands a job as a prison guard with the Federal Penitentiary in Atlanta. Soon after, Tamara realizes that her baby daddy is on death row at the prison that...

Black Onyx

By Nika Michelle

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Innocents Revenge

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Keisha and Trigga Reloaded 2

By Leo Sullivan, Porscha Sterling

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In This Life

By Leo Sullivan

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Life

By Leo Sullivan

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Life 2

By Leo Sullivan

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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.