Joseph Caldwell Books

The Deer at the River

By Caldwell Joseph

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The deer at the river

By Caldwell Joseph

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The uncle from Rome

By Caldwell Joseph

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In Such Dark Places

By Caldwell Joseph

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From Goodreads: When a photographer witnesses a violent crime in New York's Lower East Side, he hunts down the missing camera that may hold answers. Eugene is a midwesterner living in New York, an...

Under the dog star

By Caldwell Joseph

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The uncle from Rome

By Joseph Caldwell, Caldwell Joseph

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Under the Dog Star

By Joseph Caldwell, Tamara Marston

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Lazarus Rising Lib E

By Joseph Caldwell, Charlie Thurston

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The Pig Did It Lib E

By Joseph Caldwell, Chris Patton

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THE PIG DID IT

By Joseph Caldwell

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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.