Diana Guthrie Books

Nursing Management of Diabetes Mellitus

By Diana Guthrie, Richard Guthrie

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Child development from four to six

By Lucy Frost, Diana Guthrie

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"Experts agree that the ways in which we develop in childhood have a strong effect on our later lives. This video depicts child development from the ages of 4 to 6, the years in which a child pract...

Basic Spanish guitar course

By Diana Guthrie

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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.