John Yunker Books

The art of the global gateway

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Guide to best practices in multilingual navigation for those who create websites and those who take them global. Also includes how to apply global gateway concepts to mobile apps and social media.

The relationships among human and non-human animals goes back to the beginning of time--and the ways in which these relationships have evolved (and sometimes not) is the inspiration for this collec...

Bird Words

By John Yunker

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Bird Words

By John Yunker

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The Tourist Trail

By John Yunker

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Devils Island

By John Yunker, Midge Raymond

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Think Outside the Country

By John Yunker

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Think Outside the Country

By John Yunker

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Think Outside the Country

By John Yunker

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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.