David Orwig Books

Hemlock: A Forest Giant On The Edge

By Jonathan Thompson, Anthony D' Amato, David Orwig, Stephen Long, David R. Foster, Aaron M. Ellison, Benjamin Baiser, Wyatt Oswald, Audrey Barker Plotkin

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The Eastern Hemlock, massive and majestic, has played a unique role in structuring northeastern forest environments, from Nova Scotia to Wisconsin and through the Appalachian Mountains to North Car...

Woody Vegetation and Fuel Survey for Evaluating Wildfire Hazard in Spotsylvania Battlefield

By David Orwig, National Park Service Staff, Marc Abrams

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Woody Vegetation and Fuel Survey for Evaluating Wildfire Hazard in Three Fredericksburg Battlefields

By David Orwig, National Park Service Staff, Marc Abrams

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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.