James G. Porter Books

Swiftlet Isles Porter

By James G. Porter, James Porter

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Piya Starlight

By James G. Porter

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Integrating the computer with your business

By James G. Porter

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Long white cloud

By James G. Porter

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The edge of the rainforest

By James G. Porter

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When a narrow-minded neighbor forces them off their small collective farm in northern Australia, sixteen-year-old Karen and her idealistic mother are determined to find a way to keep their home.

The sacred tree

By James G. Porter

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Discovering the Family Islands

By James G. Porter

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Discovering Magnetic Island

By James G. Porter

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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.