Marlene Perez Books

Lights Out Wildcats Bobcats B13

By Kingscourt McGraw Hill, Lisa Trumbauer

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The midnight ride of Sybil Ludington

By Marlene Perez

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The story of Sybil Ludington, who helped spread the word that Redcoats were on the way to her village and neighboring villages.

Dorothea Lange

By Marlene Perez

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Presents the story of Dorothea Lange, a photographer who took pictures in the time of the Great Depression.

Graciela finds the fair

By Marlene Perez

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Graciela learns a lot of good information when she must do a school report on the 1893 World's Columbian Exposition in Chicago (also known as the World's Fair).

Skateboarding

By Marlene Perez

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Dead Is Just a Rumor

By Marlene Perez

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Dead Is the New Black

By Marlene Perez

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Dead Is a State of Mind

By Marlene Perez

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Dead Is a State of Mind

By Marlene Perez

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Dead Is So Last Year

By Marlene Perez

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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.