Michael E. Holstein Books

The Campaign Manager

By Michael E. Holstein, Catherine M. Shaw

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"The Campaign Manager is based on the author's three terms as mayor and her numerous successes in managing campaigns. This book is supportive of both candidates and issues and gives political novic...

Beginning literary criticism

By Michael E. Holstein

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A matter of balance

By Michael E. Holstein

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Uppers Downers All Arounders

By Darryl Inaba, William E. Cohen, Michael E. Holstein

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The campaign manager

By Shaw Catherine M.

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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.