Mario Lopez Books

Extra Lean Family

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Con una estrella que se elevó de los inolvidables papeles que interpretó de niño como A.C. Slater en Saved by the Bell a la vanguardia de los medios de entretenimiento de hoy en día, Mario Lopez es...

Mario Lopez s knockout fitness

By Mario Lopez

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Poesia

By Lopez Mario.

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Seis poemas

By Mario Lopez

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Fundamentos da Clinica Medica

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Politica sin violencia

By Mario Lopez Martinez

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Extra lean

By Mario Lopez

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Extra lean family

By Mario Lopez

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"In the New York Times bestseller Extra Lean, Mario Lopez's simple rules for balancing a daily intake of carbs, protein, and fat; practicing proper portion control; and eating frequently throughout...

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.