Rod Usher Books

Checkpoint 40 Checkpoint Series

By Sam Usher, Rod Usher

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Images of Our Time - 30 Years of News Photographs By John Lamb and Bruce Postle

By Rod Usher

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Part fable, part love story, part comi-tragedy, Poor Man's Wealth is narrated, somewhat unreliably, by El Gordo--the Fat One. He is the mayor of Higot, a dusty village in an unnamed Spanish-speakin...

Convent Mermaid

By Rod Usher

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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.

Rod Usher Books

A man of marbles

A Man of Marbles

Checkpoint 40 Checkpoint Series

Florid States

Florid States

Images of Our Time - 30 Years of News Photographs By John Lamb and Bruce Postle

Smiling treason

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Poor man s wealth

Convent Mermaid

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

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