Diana Lopez Books

"Since her mother's death twelve years earlier, thirty-year-old Sofia Loren Sauceda has lived in the same house where she grew up. Although she must work as a waitress to make ends meet, Sofia indu...

Confetti Girl

By Diana Lopez

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Confetti girl

By Diana Lopez

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After the death of her mother, Texas sixth-grader Lina's grades and mood drop as she watches her father lose himself more and more in books, while her best friend uses Lina as an excuse to secretly...

Ask My Mood Ring How I Feel

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Nothing up my sleeve

By Diana Lopez

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When best friends Dominic, Loop, and Z stumble upon the new magic shop in town, they know just how they will spend their summer vacation--mastering cool tricks so they can gain further access into...

Nothing up My Sleeve

By Diana Lopez

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Family power

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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.