Carmen Leonor Rivera Lassen Books

Soy gordito

By Carmen Leonor Rivera Lassen

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An overweight boy tells about his life and family.

Un regalo especial

By Carmen Leonor Rivera Lassen

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At Christmas Monica and her mother find very special presents that show respect and admiration for out natural world. They celebrate Christmas with a very special gift to Mother Earth, giving gift...

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.