William Russell McMullen Books

The Travel and Tropical Medicine Handbook

By Elaine C. Jong, William Russell McMullen

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The Travel and Tropical Medicine Manual

By Elaine C. Jong, Matthew Thompson, Christopher A. Sanford, William Russell McMullen

Average: 0.00, 0 Ratings

Here₂s a handy, portable guide to preventing, evaluating, and managing diseases that can be acquired in tropical environments and foreign countries! Whether you₂re a physician, traveler, or both, t...

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.