Rebecca L. Johnson Books

The student will investigate acids and bases in the world about them. Explains how substances are placed in categories according to their characteristics. Identifies properties of acids and bases,...

Chemical changes

By Rebecca L. Johnson

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The student will learn to identify chemical changes and the signs that they have occurred. Introduces how to distinguish between physical and chemical changes, and the concept that chemical reactio...

Bones and muscles

By Rebecca L. Johnson

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Overview of the musculosketletal system, including how bones and muscles interact and how breakthroughs in technology are making bionic body parts a reality. Examines the structure and functions of...

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.