Dennis Damp Books

Post Office jobs

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The all-new seventh-edition of Post Office Jobs provides an overview of what jobs are available, including many that don't require written tests and how to apply for them. You will also find a comp...

Post Office Jobs

By Dennis V. Damp

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Post Office jobs

By Dennis V. Damp

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Post Office jobs

By Dennis V. Damp

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The all new sixth edition of Post Office Jobs provides an overview of what jobs are available, including many that don't require written tests and how to apply for them. You will also find a compre...

Post Office Jobs

By Dennis Damp, Nancy Ledgerwood, George Foster, Dennis Damp Jr.

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Early Years

By Mirada Miller, Dennis Damp, George Foster, Damp Dennis, Damp Dennis Jr.

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Post office jobs

By Dennis V. Damp

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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.