Phyllis Sullivan Howe Books

Workbook for Laboratory Testing for Ambulatory Settings

By Phyllis Sullivan Howe, Carol S. Oatis, Marti Garrels

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Basic Nutrition in Health and Disease

By Phyllis Sullivan Howe

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Students of nursing, students in many of the allied health fields, and the public need a simple and concise source for learning the basic principles of nutrition, diet therapy, and selection of foo...

Basic Nutrition in Health and Disease: Including Selection and Care of Food

By Phyllis Sullivan Howe, Phyllis Sullivan Howe RD BS ME

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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.