John P. Marshall Books

Critical Care Emergency Medicine

By William C. Chiu, David A. Farcy, John P. Marshall, Alex Flaxman

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Critical Care Emergency Medicine, Second Edition

By Tiffany M. Osborn, John Marshall, William C. Chiu, David A. Farcy, John P. Marshall, David Farcy, William Chiu, Tiffany Osborn

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The groundbreaking text on critical care emergency medicine updated with the latest evidence and recommendations Critical Care Emergency Medicine has become the standard reference for all clinician...

The Teacher And His Philosophy,

By John P. Marshall, Marshall, John P.

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By John P. Marshall. Includes Bibliographies.

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.