Jennifer M. Allen Books

SAGE Guide to Writing in Criminal Justice Research Methods

By Steven Hougland, Jennifer M. Allen

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BUNDLE Payne Introduction to Criminal Justice 2e Hougland

By Steven Hougland, Nancy E. Marion, Jennifer M. Allen, Brian K. Payne, Willard M. Oliver

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Juvenile Justice

By Jennifer M. Allen, Robert D. Hanser, Steven M. Cox

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Juvenile Justice

By John J. Conrad, Jennifer M. Allen, Robert D. Hanser, Steven M. Cox

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Comprehensive, focused, and up-to-date, Juvenile Justice: A Guide to Theory, Policy, and Practice, Tenth Edition illustrates the practical realities of the juvenile justice system and the most curr...

Juvenile Justice

By John J. Conrad, Jennifer M. Allen, Robert D. Hanser, Steven M. Cox

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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.