Drew Johnson Books

Reviews the eighth grade MCAS exam in English language arts, math, history, social science, and science technology, including test-taking strategies and extensive practice exercises, combined with...

Homework Heroes Grades K 2

By Drew Johnson

Average: 0.00, 0 Ratings

Offers advice to parents on how to make homework fun for their children in grades K through 2, providing a quick reference section for math, science, English, and social studies.

Offers advice to parents on how to make doing daily homework with their middle school children a positive experience, and features a quick reference tool on topics including math, English, science,...

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.