Wendy Isdell Books

Trouble with her algebra homework leads Julie through a mysterious portal into the Land of Mathematics, where a zebra-like Imaginary Number and creatures representing Periodic Elements help her lea...

Using a Gebra Named Al in the Classroom

By Wendy Isdell

Average: 0.00, 0 Ratings

The chemy called Al

By Wendy Isdell

Average: 0.00, 0 Ratings

When her reading light goes out, Julie places her chemistry book under her head, passes through a mysterious portal, and finds herself in the land of Science.

The Chemy Called Al

By Wendy Isdell

Average: 0.00, 0 Ratings

Using the Chemy called Al in the classroom

By Wendy Isdell

Average: 0.00, 0 Ratings

Gebra Named Al

By Wendy Isdell

Average: 0.00, 0 Ratings

Gebra Named Al

By Wendy Isdell

Average: 0.00, 0 Ratings

Gebra Named Al

By Wendy Isdell

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.