Bertha Johnson Books

Drama for junior high

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A history of the theater, discussions of successful playwrights, producers, and actors, and suggestions for beginning actors. Includes selected scenes appropriate for junior high production.

Girl From Stone Lake

By Bertha Johnson

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Oral reading

By Albert Johnson

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Shakespeare at My Shoulder

By Albert Johnson, Bertha Johnson

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Do It for Yourself

By Bertha Johnson

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Watching Paint Dry

By Bertha Johnson

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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.