Ann Aguirre Books

Havoc

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The Conglomerate’s most dangerous convicts have made the prison ship Perdition their home. And they will defend it… Perdition is under siege. Mercenaries have boarded the station w...

Killbox

By Ann Aguirre

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Navigational grimspace "jumper" Sirantha Jax forms an army to defend colonists stationed on the outskirts of space from a legion of flesh- eating aliens.

Boss Witch

By Ann Aguirre, Ava Lucas

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Extra Witchy

By Ann Aguirre, Ava Lucas

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The Jaguar Knight

By Ann Aguirre, Wilhelmina Grace

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"Some people wait decades to meet their soul mate. Courtney Kaufman suspects she met hers in high school--only to lose him at seventeen. Since then, Courtney's social life has been a series of mean...

Enclave Tome 3 La Horde Enclave 3

By Ann Aguirre

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The Wolf Lord

By Ann Aguirre

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HONOR PERDIDO

By Ann Aguirre

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Enclave

By Ann Aguirre

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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.