Douglas Duff Books

The School Leader’S Guide To Building And Sustaining Math Success

By Marian Small;Doug Duff, Marian Small, Doug Duff, Douglas Duff

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This book guides school leaders through the initial steps of improving math instruction and offers suggestions for monitoring, supporting, and sustaining improvement. Cover 1 Title Page 2 Copyright...

The School Leader’S Guide To Building And Sustaining Math Success

By Marian Small;Doug Duff, Doug Duff, Marian Small, Douglas Duff

Average: 0.00, 0 Ratings

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.