Joy Castro Books

Nearer home

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Crime reporter Nola Céspedes comes across the dead body of her former journalism professor in New Orleans's Audubon Park and discovers links between the victim's death and two potentially volatile...

Flight Risk

By Joy Castro, Rebecca Mozo

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One Brilliant Flame

By Jonathan Villanueva, Gary Tiedemann, Joy Castro, Tania Possick, Frankie Corzo, Krysta Gonzales, Andre Santana

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"Irene gives the wealthy businessmen what they want, diving headfirst into the filthy river, thinking only of providing for her baby daughter, Marisa, as the men salivate over her soaked body emerg...

Tears and Flowers

By Joy Castro, Feliciano Castro, Rhi Johnson

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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.

Joy Castro Books

Nearer home

Nearer Home

Flight Risk

One Brilliant Flame

How Winter Began

How Winter Began

Family Trouble

Island of bones

How winter began

Tears and Flowers

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

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