Ann Aguirre Books

Blue Diablo

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Read Ann Aguirre's posts on the Penguin Blog“Gritty, steamy and altogether wonderful urban fantasy.”—New York Times Bestselling Author Patricia BriggsView our feature on Ann Aguir...

Doubleblind

By Ann Aguirre

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View our feature on Ann Aguirre’s Doubleblind.As a “Jumper” who navigates ships through grimspace, Sirantha Jax is used to kicking ass. So why is she suddenly chosen as an ambassa...

Queen of Bright and Shiny Things

By Ann Aguirre

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Nothing but Red

By Skyla Dawn Cameron, Ann Aguirre, Judy Bagshaw, Mechele Armstrong, David Baker

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Modified

By Gennifer Albin, Ann Aguirre, Michael Grant, Katherine Applegate, Leigh Bardugo

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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.