Lavonne Mueller Books

"Based on actual events in Argentina during the period 1952-1976, this play dramatizes the efforts of two sisters (Alicia and Esme) to locate their children and other missing relatives who have mys...

Voices from September 11th

By Lavonne Mueller

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"This series of monologues, all emotional X-rays of national heartache and soul searching, contributes to the healing that will continue for months and years to come. Reading or performing these wo...

Duo Best Scenes for The 90s

By John Horvath, Lavonne Mueller, Jack Temchin

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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.