Christopher L. Hayes Books

Twilight of the Elites: America After Meritocracy

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Mixing deft political analysis, this timely social commentary describes how society produces leaders who are out of touch with the people they have been trusted to govern leading to a crisis of aut...

Money Makeovers

By Christopher L. Hayes, Kate Kelly

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A Colony in a Nation

By Chris Hayes

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Our Turn

By Christopher L. Hayes

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Our Turn

By Christopher L. Hayes, Cyndi Hayes

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European American Elderly

By Christopher Hayes, Richard S. Kalish, David Gutterman

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Gender, identity, and self-esteem

By Anderson Deborah Y.

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Pre Retirement Planning for Women

By Christopher L. Hayes

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Women in Mid Life

By Christopher L. Hayes

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Women in Mid Life

By Christopher L. Hayes

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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.