David Oppegaard Books

The Suicide Collectors

By David Oppegaard

Average: 0.00, 0 Ratings

Wormwood, Nevada

By David Oppegaard

Average: 0.00, 0 Ratings

"Tyler and Anna Mayfield have just relocated from Nebraska to the sun scorched desert town of Wormwood, Nevada. They find themselves in a strange new landscape populated with old school cowboys, al...

The Suicide Collectors

By David Oppegaard

Average: 0.00, 0 Ratings

The firebug of Balrog County

By David Oppegaard

Average: 0.00, 0 Ratings

Dark times have fallen on remote Balrog County, and Mack Druneswald, a high school senior with a love of clandestine arson, is doing his best to deal. While his family is haunted by his mother's re...

And the Hills Opened Up

By David Oppegaard

Average: 0.00, 0 Ratings

The Town Built on Sorrow

By David Oppegaard

Average: 0.00, 0 Ratings

Los recolectores de suicidas

By David Oppegaard

Average: 0.00, 0 Ratings

Firebug of Balrog County

By David Oppegaard

Average: 0.00, 0 Ratings

Claw Heart Mountain

By David Oppegaard

Average: 0.00, 0 Ratings

Claw Heart Mountain

By David Oppegaard

Average: 0.00, 0 Ratings

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.