Nancy Henderson Books

Fourteen-year-old Janet goes on a backpacking trip determined to find out the particulars of the death of her friend who had gone on the same trip the year before.

Math Trek

By Ivars Peterson, Nancy Henderson

Average: 0.00, 0 Ratings

Math Trek 2

By Ivars Peterson, Nancy Henderson

Average: 0.00, 0 Ratings

Threshold

By Nancy Henderson

Average: 0.00, 0 Ratings

Create a face

By Nancy Henderson

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.