Mary L. Ohmer Books

The Second Edition of The Handbook of Community Practice is expanded and updated with a major global focus and serves as a comprehensive guidebook of community practice grounded in social justice a...

Measures for Community and Neighborhood Research

By Joanne L. Sobeck, Mary L. Ohmer, Jaime Booth, Claudia Coulton, Darcy A. Freedman

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Measures for Community and Neighborhood Research, by Mary L. Ohmer, Claudia Coulton, Darcy A. Freedman, Joanne L. Sobeck, and Jaime Booth, is the first book of its kind to compile measures focused...

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.