David Havlick Books

Bombs Away

By David G. Havlick

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No Place Distant

By David Havlick

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"One of the last acts of Mike Dombeck as chief of the USDA Forest Service for the Clinton administration was to declare a moratorium on road building in national forest roadless areas. That declara...

No Place Distant

By David Havlick

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No Place Distant

By Michael P. Dombeck, David Havlick

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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.