Marlene Perez Books

Fortune's Favors Nyx Fortuna series Book 3

By Marlene Perez

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Dark Descent

By Marlene Perez

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Dead Is the New Black

By Marlene Perez

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While dealing with her first boyfriend and suddenly being pressed into service as a substitute cheerleader, seventeen-year-old Daisy Giordano, daughter and sister of psychics but herself a "normal,...

Breakfast around the world

By Marlene Perez

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Is That a Bear

By Marlene Perez

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Mexico City is muy grande

By Marlene Perez

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Dead Is Just a Dream

By Marlene Perez

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Love In The Corner Pocket

By Marlene Perez

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The comeback

By Marlene Perez

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High school junior Sophie can almost handle having her boyfriend and her lead in the school play stolen by a beautiful new student, but when her social status plummets, Sophie declares war.

Dead is just a rumor

By Marlene Perez

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Psychic teen Daisy Giordano has her hands full trying to find out who is behind the blackmail letters being sent to paranormal residents of Nightshade, while also worrying about her werewolf boyfri...

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.