John A. Eterno Books

Crime Numbers Game

By John A. Eterno, Eli B. Silverman

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Crime Numbers Game

By John A. Eterno, Eli B. Silverman

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New York City Police Department

By John A. Eterno

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"Studying the flagship New York City Police Department is critical to understanding policing and democratic society. An examination of the department by experts who have been watching it for years,...

New York City Police Department

By John A. Eterno

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Global Issues in Contemporary Policing

By Arvind Verma, John A. Eterno, Das Dilip K., Aiedeo Mintie Das

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Global Issues in Contemporary Policing

By John A. Eterno, Das Dilip K., Aiedeo Mintie Das

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Detective s Handbook

By John A. Eterno, Roberson Cliff

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Detective s Handbook

By John A. Eterno, Roberson Cliff

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Global Issues in Contemporary Policing

By Arvind Verma, John A. Eterno, Aiedeo Mintie Das, Dilip K. Das

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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.