John Soares Books

Internet Guide for History

By Daniel J. Kurland, John Soares

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100 Classic Hikes in Northern California

By John Soares

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Redwood National and State Parks

By John Soares

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100 Classic Hikes: Northern California

By John Soares

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Completely revised and updated Every trail rehiked, with 13 new hikes and 80 new photos GPS driving directions to every trailhead No one knows this premier hiking region better than author John Soa...

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.