Mae McCarthy Books

Secondary Textbook Review: Biology And Life Science, Grades Nine Through Twelve

By Janet, California. Office Of Curriculum Framework And Textbook Development, Lundin, Janet Lundin, Mae McCarthy, California State Department Of Education Mathematics, Science, And Environmental Education Unit

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This reference is intended for teachers who are responsible for selecting textbooks for biology or life science courses. The publication provides reviewers with a compilation of 10 biology and 7 li...

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.