Daniel Gray Books

The Complete Guide to Associate & Affiliate Programs on the Net: Turning Clicks Into Cash

By Daniel Gray, Gray Daniel

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Historical Dictionary of Marxism Historical Dictionaries of Religions Philosophies and Movements

By Daniel Gray, Walker David M., Walker David

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Betrayal: How Union Bosses Shake Down Their Members and Corrupt American Politics

By Daniel Gray, Linda Chavez

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"Linda Chavez and fellow union expert Daniel Gray expose the corrupt bargain between the labor movement and the Democratic Party." "Chavez and Gray name names, exposing the many politicians who are...

Betrayal

By Daniel Gray, Linda Chavez

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Betrayal

By Linda Chavez, Daniel Gray

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“Simply put, the leftist labor unions have the Democrats in their pockets. And we’re all paying the price.”Linda Chavez, President George W. Bush’s original choice for Secre...

Saturday 3pm

By Daniel Gray

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Black Boots and Football Pinks

By Daniel Gray

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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.