Angery American Books

Charlie s Requiem

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Charlie is good at her work. As a hard charging drug rep with the brains and talent to make it to the top, she has the world at her feet. Then, the lights went out, and everything changed. An E.M....

Charlie s Requiem

By Walt Browning, Angery American, Mike D

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Charlie s Requiem Retribution

By Walt Browning, Angery American

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Charlie s Requiem

By Walt Browning, Angery American

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Charlie s Requiem

By Walt Browning, Angery American

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Escaping Home

By A. American

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When society ceases to exist, who can you trust?After the collapse of the nation’s power grid, America is under martial law—and safety is an illusion. As violence erupts around him, Mor...

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.